APA
Fromm E., . (1971). Heart of man. New York: Harper & Row Publishers.
Chicago
Fromm Erich, . 1971. Heart of man. New York: Harper & Row Publishers.
Harvard
Fromm E., . (1971). Heart of man. New York: Harper & Row Publishers.
MLA
Fromm Erich, . Heart of man. New York: Harper & Row Publishers. 1971.