Cita APA (7a ed.)

Iversen, B. (1992). Hyperbolic geometry. Cambridge University Press.

Cita Chicago Style (17a ed.)

Iversen, Birger. Hyperbolic Geometry. Cambridge ; New York: Cambridge University Press, 1992.

Cita MLA (8a ed.)

Iversen, Birger. Hyperbolic Geometry. Cambridge University Press, 1992.