Cita APA (7th ed.)

Cratty, B. J. (1968). Psychology and physical activity. Prentice-Hall.

Cita Chicago (17th ed.)

Cratty, Bryant J. Psychology and Physical Activity. New Jersey: Prentice-Hall, 1968.

Cita MLA (9th ed.)

Cratty, Bryant J. Psychology and Physical Activity. Prentice-Hall, 1968.