Cita APA (7a ed.)

Levenson, M. E. 1. (1967). Maxima and minima. McMillan ; Collier-Macmillan.

Cita Chicago Style (17a ed.)

Levenson, Morris E. 1914. Maxima and Minima. New York: McMillan ; Collier-Macmillan, 1967.

Cita MLA (9a ed.)

Levenson, Morris E. 1914. Maxima and Minima. McMillan ; Collier-Macmillan, 1967.