Cita APA (7th ed.)

Lehmann, C. H. (1962). College algebra. Wiley.

Cita Chicago (17th ed.)

Lehmann, Charles H. College Algebra. New York: Wiley, 1962.

Cita MLA (9th ed.)

Lehmann, Charles H. College Algebra. Wiley, 1962.

Atenció: Aquestes cites poden no estar 100% correctes.