APA (7th ed.) Citation

Fromm, E., & Xirau, R. (1968). The nature of man: Readings. Macmillan.

Chicago Style (17th ed.) Citation

Fromm, Erich, and Ramón Xirau. The Nature of Man: Readings. New York: Macmillan, 1968.

MLA (8th ed.) Citation

Fromm, Erich, and Ramón Xirau. The Nature of Man: Readings. Macmillan, 1968.