Cita APA (7a ed.)

Gregory, R. J. (2015). Psychological testing: History, principles, and applications (Seventh edition, Global edition.). Pearson.

Cita Chicago Style (17a ed.)

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. Seventh edition, Global edition. Boston, [Massachusetts]: Pearson, 2015.

Cita MLA (8a ed.)

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. Seventh edition, Global edition. Pearson, 2015.