Cita APA (7th ed.)

Birkhoff, G. (1970). Algebra moderna (4a. ed.). Vicens-Vives.

Cita Chicago (17th ed.)

Birkhoff, Garrett. Algebra Moderna. 4a. ed. Barcelona: Vicens-Vives, 1970.

Cita MLA (9th ed.)

Birkhoff, Garrett. Algebra Moderna. 4a. ed. Vicens-Vives, 1970.