Cita APA (7a ed.)

Perkins, L. B., & Cocking, W. D. (1951). Schools. Reinhold.

Cita Chicago Style (17a ed.)

Perkins, Lawrence Bradford, y Walter D. Cocking. Schools. New York: Reinhold, 1951.

Cita MLA (9a ed.)

Perkins, Lawrence Bradford, y Walter D. Cocking. Schools. Reinhold, 1951.