Cita APA (7th ed.)

Ruch, J. C. (1984). Psychology: The Personal Science. Wadsworth Publishing Company.

Cita Chicago (17th ed.)

Ruch, John C. Psychology: The Personal Science. Belmont, CA, USA: Wadsworth Publishing Company, 1984.

Cita MLA (9th ed.)

Ruch, John C. Psychology: The Personal Science. Wadsworth Publishing Company, 1984.