Cita APA (7a ed.)

Gray, S. J. (1954). Psychology applied to human affairs. McGraw-Hill Book Co.

Cita Chicago Style (17a ed.)

Gray, Stanley J. Psychology Applied to Human Affairs. New York: McGraw-Hill Book Co, 1954.

Cita MLA (9a ed.)

Gray, Stanley J. Psychology Applied to Human Affairs. McGraw-Hill Book Co, 1954.