Zieschang, H., Vogt, E., & Coldewey, H. (1980). Surfaces and Planar Discontinuous Groups (Revised and Expanded Translation.). Springer. https://doi.org/10.1007/BFb0089692
Chicago Style (17th ed.) CitationZieschang, Heiner, Elmar Vogt, and Hans-Dieter Coldewey. Surfaces and Planar Discontinuous Groups. Revised and Expanded Translation. Berlin [u.a.]: Springer, 1980. https://doi.org/10.1007/BFb0089692.
MLA (9th ed.) CitationZieschang, Heiner, et al. Surfaces and Planar Discontinuous Groups. Revised and Expanded Translation. Springer, 1980. https://doi.org/10.1007/BFb0089692.
Warning: These citations may not always be 100% accurate.