APA引文

Kaplan. (2008). GRE subject tests: Psychology (4.). Kaplan.

Chicago Edition Citation

Kaplan. GRE Subject Tests: Psychology. 4. New York: Kaplan, 2008.

MLA引文

Kaplan. GRE Subject Tests: Psychology. 4. Kaplan, 2008.

警告：這些引文格式不一定是100％准確.