Cita APA (7a ed.)

Aiken, L. R. (1988). Psychological testing and assessment (6th ed.). Allyn.

Cita Chicago Style (17a ed.)

Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Boston: Allyn, 1988.

Cita MLA (9a ed.)

Aiken, Lewis R. Psychological Testing and Assessment. 6th ed. Allyn, 1988.