Tannen, Deborah, and Roy Freedle.
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There is a general rule for citations: The harder it wouldbe for your readers to come across your fact through their own efforts the more surely youneed to cite it.
"Foreclosure Wave Slams Suburbia."
Scholarly journals, sometimes called peer-reviewed journals, often have a volume and issue number. Here is an example from a library subscription database.
University Library | California State University, Los Angeles
Summary: 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. For more information, please consult the Publication Manual of the American Psychological Association, (6th ed., 2nd printing).