Cita APA (7th ed.)
Maslow, H. A. (1968). Toward a psychology of being (2nd ed.). D. Van Nostrand Company.
Cita Chicago (17th ed.)
Maslow, H. Abraham. Toward a Psychology of Being. 2nd ed. New York: D. Van Nostrand Company, 1968.
Cita MLA (9th ed.)
Maslow, H. Abraham. Toward a Psychology of Being. 2nd ed. D. Van Nostrand Company, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.