Cita APA

Polster, B., & Steinke, G. (2001). Geometries on surfaces. Cambridge ; New York: Cambridge University Press.

Chicago Style Citation

Polster, Burkard, i Gnter Steinke. Geometries On Surfaces. Cambridge ; New York: Cambridge University Press, 2001.

Cita MLA

Polster, Burkard, i Gnter Steinke. Geometries On Surfaces. Cambridge ; New York: Cambridge University Press, 2001.