Cita APA

Birkhoff, G. D., & Beatley, R. (2000). Basic geometry AMS Chelsea.

Citación estilo Chicago

Birkhoff, George David, and Ralph Beatley. Basic Geometry. 3rd ed. New York: AMS Chelsea, 2000.

Cita MLA

Birkhoff, George David, and Ralph Beatley. Basic Geometry. 3rd ed. New York: AMS Chelsea, 2000.