APA (7th ed.) Citation

Birkhoff, G. D., & Beatley, R. (1963). Basic geometry: Answer book. Chelsea.

Chicago Style (17th ed.) Citation

Birkhoff, George David, and Ralph Beatley. Basic Geometry: Answer Book. [New York]: Chelsea, 1963.

MLA (8th ed.) Citation

Birkhoff, George David, and Ralph Beatley. Basic Geometry: Answer Book. Chelsea, 1963.