Cita APA (7th ed.)

Mac Lane, S., & Birkhoff, G. (1979). Algebra (2a. ed.). Macmillan.

Cita Chicago (17th ed.)

Mac Lane, Saunders, i Garrett Birkhoff. Algebra. 2a. ed. Nueva York: Macmillan, 1979.

Cita MLA (9th ed.)

Mac Lane, Saunders, i Garrett Birkhoff. Algebra. 2a. ed. Macmillan, 1979.