APA (7th ed.) Zitazioa

Fromm, E. (1966). Marx's concept of man. Frederick Ungar.

Chicago Style (17th ed.) Zitazioa

Fromm, Erich. Marx's Concept of Man. New York: Frederick Ungar, 1966.

MLA (9th ed.) Zitazioa

Fromm, Erich. Marx's Concept of Man. Frederick Ungar, 1966.