APA (7th ed.) Citation

Ramsay, A., & Richtmyer, R. D. (2008). Introduction to Hyperbolic Geometry (2. ed.). Springer.

Chicago Style (17th ed.) Citation

Ramsay, Arlan, and Robert D. Richtmyer. Introduction to Hyperbolic Geometry. 2. ed. Berlin [u.a.]: Springer, 2008.

MLA (9th ed.) Citation

Ramsay, Arlan, and Robert D. Richtmyer. Introduction to Hyperbolic Geometry. 2. ed. Springer, 2008.