Cita APA (7a ed.)

Knopp, K., & Bagemihl, F. (1975). Theory of functions. Dover.

Cita Chicago Style (17a ed.)

Knopp, Konrad, y Frederick Bagemihl. Theory of Functions. New York: Dover, 1975.

Cita MLA (9a ed.)

Knopp, Konrad, y Frederick Bagemihl. Theory of Functions. Dover, 1975.