Cita APA (7th ed.)

Stillwell, J. (1996). Sources of hyperbolic geometry. American Mathematical Society : London Mathematical Society.

Cita Chicago (17th ed.)

Stillwell, John. Sources of Hyperbolic Geometry. Providence, Rhode Island: American Mathematical Society : London Mathematical Society, 1996.

Cita MLA (9th ed.)

Stillwell, John. Sources of Hyperbolic Geometry. American Mathematical Society : London Mathematical Society, 1996.