Cita APA (7th ed.)

Craig, J. R., & Metze, L. P. (1979). Methods of psychological research. Saunders.

Cita Chicago (17th ed.)

Craig, James Richard, i Leroy P. Metze. Methods of Psychological Research. Philadelphia: Saunders, 1979.

Cita MLA (8th ed.)

Craig, James Richard, i Leroy P. Metze. Methods of Psychological Research. Saunders, 1979.