Cita APA (7a ed.)

Winter, D. G. (1973). The Power motive. Free Pr. [u.a.].

Cita Chicago Style (17a ed.)

Winter, David G. The Power Motive. New York: Free Pr. [u.a.], 1973.

Cita MLA (8a ed.)

Winter, David G. The Power Motive. Free Pr. [u.a.], 1973.