Cita APA (7a ed.)

Maslow, A. H. (1968). Toward a psychology of being (2nd ed.). D. Van Nostrand Company.

Cita Chicago Style (17a ed.)

Maslow, Abraham H. Toward a Psychology of Being. 2nd ed. New York [etc.]: D. Van Nostrand Company, 1968.

Cita MLA (9a ed.)

Maslow, Abraham H. Toward a Psychology of Being. 2nd ed. D. Van Nostrand Company, 1968.