APA (7th ed.) Citation
Fenchel, W., Nielsen, J., & Schmidt, A. L. (2003). Discontinuous groups of isometries in the hyperbolic plane. Walter de Gruyter.
Chicago Style (17th ed.) Citation
Fenchel, W., Jakob Nielsen, and Asmus L. Schmidt. Discontinuous Groups of Isometries in the Hyperbolic Plane. Berlin ; New York: Walter de Gruyter, 2003.
MLA (9th ed.) Citation
Fenchel, W., et al. Discontinuous Groups of Isometries in the Hyperbolic Plane. Walter de Gruyter, 2003.
Warning: These citations may not always be 100% accurate.