Cita APA (7th ed.)

Benjamin, L. T., & Hopkins, J. R. N. (1990). Psychology (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Benjamin, Ludy T., i J. Roy. Nation Hopkins. Psychology. 2nd ed. New York: Macmillan, 1990.

Cita MLA (9th ed.)

Benjamin, Ludy T., i J. Roy. Nation Hopkins. Psychology. 2nd ed. Macmillan, 1990.