Παραπομπή APA

Greenberg,Leon ed, & Greenberg, L. (1974). Discontinuous groups and Riemann surfaces: Proceedings. Princeton University Press.

Παραπομπή Chicago Style

Greenberg,Leon ed, και Leon Greenberg. Discontinuous Groups and Riemann Surfaces: Proceedings. Princeton, N.J.: Princeton University Press, 1974.

Παραπομπή MLA

Greenberg,Leon ed, και Leon Greenberg. Discontinuous Groups and Riemann Surfaces: Proceedings. Princeton University Press, 1974.