MLA Handbook for Writers of Research Papers by 
MLA style manual and guide to scholarly publishing (3rd ed)
The Columbia Guide to Online Style by
The Columbia Guide to Online Style is the standard resource for citing electronic and electronically accessed sources. It is also a critical style guide for creating documents electronically for submission for print or electronic publication. Updated and expanded, this guide now explains how to cite technologies such as Web logs and pod casts; provides more guidance on translating the elements of Columbia Online Style (COS) citations for use with existing print-based formats (such as MLA, APA, and Chicago); and features additional guidelines for producing online and print documents based on new standards of markup language and publication technologies. This edition also includes new bibliographic styles for humanities and scientific projects; examples of footnotes and endnotes for Chicago-style papers; greater detail regarding in-text and parenthetic reference and footnote styles; an added chapter on how to locate and evaluate sources for research in the electronic age; and new examples for citing full-text or full-image articles from online library databases, along with information on how to credit the source of graphics and multimedia files. Staying ahead of rapidly evolving technologies, The Columbia Guide to Online Style continues to be a vital tool for online researchers.