Cita APA

Birkhoff, G. D., & Beatley, R. (1959). Basic geometry (3rd ed.).

Citación estilo Chicago

Birkhoff, George David, and Ralph Beatley. Basic Geometry. 3rd ed. 1959.

Cita MLA

Birkhoff, George David, and Ralph Beatley. Basic Geometry. 3rd ed. 1959.

Warning: These citations may not always be 100% accurate.