APA-referens

Stahl, S. (2008). A gateway to modern geometry: The Poincaré half-plane (2nd ed.). Jones and Bartlett Publishers.

Chicago-stil citat

Stahl, Saul. A Gateway to Modern Geometry: The Poincaré Half-plane. 2nd ed. Sudbury, Mass.: Jones and Bartlett Publishers, 2008.

MLA-referens

Stahl, Saul. A Gateway to Modern Geometry: The Poincaré Half-plane. 2nd ed. Jones and Bartlett Publishers, 2008.