APA (7th ed.) Citation

Ahlfors, L. V., & Sario, L. (1960). Riemann surfaces. Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Ahlfors, Lars Valerian, and Leo Sario. Riemann Surfaces. Princeton [u.a.]: Princeton Univ. Press, 1960.

MLA (9th ed.) Citation

Ahlfors, Lars Valerian, and Leo Sario. Riemann Surfaces. Princeton Univ. Press, 1960.