Citazione Stile APA (7a Edizione)

ZISCHANG, H. (1980). Surfaces and planar discontinuous groups: Tr. from the german by J.Stillwell. Springer-Verlag.

Citazione stile Chigago Style (17a edizione)

ZISCHANG, Heiner. Surfaces and Planar Discontinuous Groups: Tr. from the German by J.Stillwell. Berlin: Springer-Verlag, 1980.

Citatione MLA (9a ed.)

ZISCHANG, Heiner. Surfaces and Planar Discontinuous Groups: Tr. from the German by J.Stillwell. Springer-Verlag, 1980.