APA

Fromm E. . X. R. (., .The nature of man. New York: .

Chicago

Fromm Erich Xirau Ramon (ed.), .The nature of man. New York: .

Harvard

Fromm E. . X. R. (., .The nature of man. New York: .

MLA

Fromm Erich Xirau Ramon (ed.), .New York: . .