Cita APA (7th ed.)

Keller, F. S. (1973). Selected readings in the history of psychology: A PSI companion. Scholars Press.

Cita Chicago (17th ed.)

Keller, Fred Simmons. Selected Readings in the History of Psychology: A PSI Companion. Roanoke, Va.: Scholars Press, 1973.

Cita MLA (8th ed.)

Keller, Fred Simmons. Selected Readings in the History of Psychology: A PSI Companion. Scholars Press, 1973.