Cita APA (7a ed.)

Birch, D., & Veroff, J. (1966). Motivation: A study of action. Brooks/Cole.

Cita Chicago Style (17a ed.)

Birch, David, y Joseph Veroff. Motivation: A Study of Action. Belmont, Calif: Brooks/Cole, 1966.

Cita MLA (9a ed.)

Birch, David, y Joseph Veroff. Motivation: A Study of Action. Brooks/Cole, 1966.