Cita APA (7th ed.)

ebrary, Inc, Bertrand, L. M., & Nielson, R. A. (2012). Psychology of individual differences. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, Lucy M. Bertrand, i Ryan A. Nielson. Psychology of Individual Differences. New York: Nova Science Publishers, 2012.

Cita MLA (9th ed.)

ebrary, Inc, et al. Psychology of Individual Differences. Nova Science Publishers, 2012.