Cita APA (7th ed.)

Shaffer, L. F., & Gilmer, B. v. H. (1940). Psychology. Harper & Brothers Publishers.

Cita Chicago (17th ed.)

Shaffer, Laurance Frederic, i B. von Haller Gilmer. Psychology. New York: Harper & Brothers Publishers, 1940.

Cita MLA (9th ed.)

Shaffer, Laurance Frederic, i B. von Haller Gilmer. Psychology. Harper & Brothers Publishers, 1940.