Cita APA (7th ed.)

Birkhoff, G., & MacLane, S. (1954). Algebra moderna (1a. ed.). Teide.

Cita Chicago (17th ed.)

Birkhoff, Garrett, i Saunders MacLane. Algebra Moderna. 1a. ed. Barcelona: Teide, 1954.

Cita MLA (9th ed.)

Birkhoff, Garrett, i Saunders MacLane. Algebra Moderna. 1a. ed. Teide, 1954.