APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.