APA style

The American Psychological Association (APA) style is just one of the many acceptable styles of referencing or bibliographic citation. It is an author-date system also.

American Psychological Association has editorial control for the APA style. Complete guidelines can be found in the Publication Manual of the American Psychological Association. Current information
can also be obtained via the Internet from the official APA style page. The USQ Library has a referencing guide for the APA Style

Examples:

In-Text - Uses Author Date

Brown (1991) investigated the effects of …

OR

An investigation into the effects of maternal age (Brown, 1991) found that …

Reference List

Korhonen, T. T. (1991). Neuropsychological stability and prognosis of subgroups of
        children with learning disabilities. Journal of Learning Disabilities, 24(2), 48-57.

Central Vein Occlusion Study Group. (1999, October 2) Central vein occlusion study of
     photocoagulation: Manual of operations [675 paragraphs]. Online Journal of Current
    Clinical Trials, 78, 223-345. Retrieved May 1, 2001 from EBSCO Online database
    (AN:1999076087).