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Style Manuals and Related WebLinks
"Style manuals have evolved from early printers' manuals into tools for authors, editors, and students. They range from general style manuals to those intended for use within a specific discipline, or even within the pages of a single journal.
Most style manuals contain much more than examples of footnotes and bibliographies. Advice on grammar and punctuation, tips on conducting research, and recommendations on the appearance of the finished paper are commonly found. Thus, the distinction between the style manual and the writing guide can be subtle." 
Styles Guide Survey Sites
A survey of style guides currently available in various academic and professional fields and found a wide range of practices for citing electronic sources.
APA (American Psychological Association)
- The 5th edition of APA's Publication Manual.
- Concise Rules of APA Style: Introducing the Official Pocket Style Guide from the APA.
- The APA Style Guide family also includes:
- Mastering APA Style (Student)
- Mastering APA Style (Instructor)
- Displaying Your Findings
- Presenting Your Findings
Chicago Manual of Style Documentation
The Chicago Manual of Style is a very comprehensive book which describes two documentation styles, one using notes and bibliographies, the other using author-date citations and lists of references. The Chicago Manual also gives guidelines for spelling and punctuation and discusses the treatment of numbers, quotations, illustrations, tables, foreign languages, mathematical symbols, abbreviations, and so on. The current edition is the Fifteenth Edition of The Chicago Manual of Style. An online summary.
Citing Electronic & Internet Sources
Electronic References & Scholarly Citations of Internet Sources
Legal Style Guides
An online Introduction to Basic Legal Citation (LII 2006 ed.) by Peter W. Martin
The Bluebook, the definitive style guide for legal citation. For generations, law students, lawyers, scholars, judges, and other legal professionals have relied on the Bluebook system of citation.
The Bluebook: A Uniform System of Citation is published by the Harvard Law Review Association in conjunction with the Columbia Law Review , the University of Pennsylvania Law Review, and The Yale Law Journal. Now in a new Eighteenth Edition.
MLA (Modern Language Association)
The Modern Language Association does not publish its documentation guidelines on the Web. For an authoritative explanation of MLA style, see the MLA Handbook for Writers of Research Papers (for high school and undergraduate college students) and the MLA Style Manual and Guide to Scholarly Publishing (for graduate students, scholars, and professional writers). Please also see frequently asked questions about MLA style. Another summary. MLA has put out a new style handbook update MLA Style Manual and Guide to Scholarly Publishing, 3rd Edition (Published: May 2008, ISBN: 9780873522977).
ASA (American Sociological Association)
ACS (American Chemical Society)
The ACS style guide has been recently edited (Jul 2006). http://pubs.acs.org/books/references.shtml
Scientific Style and Format: The CBE Manual for Authors, Editors, and Publishers, published by the Council of Biology Editors (now the Council of Science Editors) in 1994. Many writers in the natural sciences use the citation style recommended in the CBE Manual, which also gives advice for styling and formatting scientific papers, journals, and books for publication. Its editors offer two methods for citing and documenting sources: the citation-sequence system and the name-year system.
Important note: The seventh edition of Scientific Style and Format, which will be published soon, gives new recommendations for citing electronic sources. While these recommendations are not included here, you can find out more about them by visiting the CSE's Web site.
German Style Convention Links
- Description of Citations in the style DIN 1505 T.2
- Einführungen und Schulungen
- Bibtex Style DIN 1505 T.2
- Guide de présentation des thèses et mémoires
- Décryptage d'une notice UNIMARC sous ISO 2709
- Annexes RAMEAU GLOSSAIRE
- MARC (MAchine Readable Cataloging) and SGML/XML
- Il s'agit de la traduction en Français d'un travail d'Eric Lease Morgan intitulé "XML pour les bibliothécaires" 
- Nicolas Morin's BiblioAcid Review, and Blog.
Reference Sheet for Natbib
"The natbib package is a reimplementation of the LATEX \cite command, to work with both author-year and numerical citations. It is compatible with the standard bibliographic style files, such as plain.bst, as well as with those for harvard, apalike, chicago, astron, authordate." It provides a useful list of the range of citations required for citation entry. http://merkel.zoneo.net/Latex/natbib.php