APA (7th ed.) Citation

Fromm, E., & Xirau, R. (1969). The nature of man. MacMillan.

Chicago Style (17th ed.) Citation

Fromm, Erich, and Ramon Xirau. The Nature of Man. London: MacMillan, 1969.

MLA (9th ed.) Citation

Fromm, Erich, and Ramon Xirau. The Nature of Man. MacMillan, 1969.

Warning: These citations may not always be 100% accurate.