APA (7th ed.) Citation

Ramsay, A., & Richtmyer, R. D. (1995). Introduction to hyperbolic geometry. Springer-Verlag.

Chicago Style (17th ed.) Citation

Ramsay, Arlan, and Robert D. Richtmyer. Introduction to Hyperbolic Geometry. New York: Springer-Verlag, 1995.

MLA (9th ed.) Citation

Ramsay, Arlan, and Robert D. Richtmyer. Introduction to Hyperbolic Geometry. Springer-Verlag, 1995.