Cita APA (7a ed.)

Fromm, E., & Bottomore, T. B. (1970). Marx's concept of man (15th printing.). Frederick Ungar Publishing Co.

Cita Chicago Style (17a ed.)

Fromm, Erich, y T. B. Bottomore. Marx's Concept of Man. 15th printing. New York: Frederick Ungar Publishing Co, 1970.

Cita MLA (9a ed.)

Fromm, Erich, y T. B. Bottomore. Marx's Concept of Man. 15th printing. Frederick Ungar Publishing Co, 1970.