APA (American Psychological Association) style is most commonly used to cite sources within the social sciences. This resource, revised according to the 6th edition, second printing of the APA manual, offers examples for the general format of APA research papers, in-text citations, endnotes/footnotes, and the reference page.
Chicago is a documentation syle that has been published by the Chicago University Press since 1906. This citation style incorporates rules of grammar and punctuation common in American English. Typically, Chicago style presents two basic documentation systems: (1) notes and bibliography and (2) author-date.
Citation Style Guides for the Internet and Electronic Sources, from the University of Alberta A very thorough description with examples from APA, Chicago Manual of Style, and Vancouver Style. Also links to many other useful style sheets on the Web.
MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities. This resource, updated to reflect the MLA Handbook (8 th ed.), offers examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page.
Giving credit to the original author by citing sources is the only way to use other people's work without plagiarizing. But there are a number of other reasons to cite sources: citations are extremely helpful to anyone who wants to find out more about your ideas and where they came from.
Writing is a medium of human communication that represents language and emotion with signs and symbols. In most languages, writing is a complement to speech or spoken language. Writing is not a language, but a tool used to make languages be read.