Cita APA (7a ed.)

Knopp, K., & Bagemihl, F. (1952). Elements of the theory of functions (1. American ed.). Dover.

Cita Chicago Style (17a ed.)

Knopp, Konrad, y Frederick Bagemihl. Elements of the Theory of Functions. 1. American ed. New York, NY: Dover, 1952.

Cita MLA (9a ed.)

Knopp, Konrad, y Frederick Bagemihl. Elements of the Theory of Functions. 1. American ed. Dover, 1952.