Cita APA (7a ed.)

Fromm, E. (1964). The heart of man. Colophon Books.

Cita Chicago Style (17a ed.)

Fromm, Erich. The Heart of Man. New York: Colophon Books, 1964.

Cita MLA (9a ed.)

Fromm, Erich. The Heart of Man. Colophon Books, 1964.