APA (American Psychological Association) style is most commonly used to cite sources within the social sciences. It is currently in its 6th edition (Purdue OWL).
You can find the answers to many common questions on the APA Style Blog.
Publication Manual of the American Psychological Association by American Psychological Association Staff
Publication Date: 2009-07-15
In addition to providing guidance on grammar, the mechanics of writing, and APA style, this manual offers an authoritative reference and citation system.
APA Formatting and Style Guide (Purdue OWL)
Examples for the general format of APA research papers, in-text citations, endnotes/footnotes, and the reference page.
APA Style Blog
The official companion to the Publication Manual of the American Psychological Association, Sixth Edition, run by a group of experts who work with APA Style every day.
Frequently Ased Questions from the APA website
Quick answers to common questions about using APA style.
APA Style Tutorial
Basic rules of APA style from the APA website.
Citing information from Mergent Online
In most cases you will use the following to cite Mergent Online as your source if you are using APA style. APA refers to non-peer-reviewed work, such as reports, brochures, fact sheets, press releases, and newsletter articles as “gray literature.” List as many of the following elements as are available.
Mergent Online. (2006, October). North America Industry Report: Banking. Retrieved from Mergent Online database.
If a source has no author, begin with the title and follow it with the date in parentheses.
Archer, D. (n.d.). Exploring nonverbal communication. Retrieved from Mergent Online database.
Citing information from Value Line Investment Survey
Value Line. (2010, April 9). Dell, Inc. investment survey. Retrieved from Value Line database.
Maurer, D. (2009, April 17). Merck. Value Line Investment Survey. Retrieved from Value Line Research Center Database.
Citing sources from IBISWorld
IBISWorld. (2011, February 11). Biscuit manufacturing in Australia (C2163). Retrieved from IBISWorld database.
Haider, Z. (2015). IBISWorld Industry Report 52211. Commercial Banking in the US. Retrieved February 23, 2015 from IBISWorld database.