APA (7th ed.) Citation

Knopp, K., & Bagemihl, F. (1947). Theory of functions (First American Edition.). Dover Pub.

Chicago Style (17th ed.) Citation

Knopp, Konrad, and Frederick Bagemihl. Theory of Functions. First American Edition. New York: Dover Pub, 1947.

MLA (9th ed.) Citation

Knopp, Konrad, and Frederick Bagemihl. Theory of Functions. First American Edition. Dover Pub, 1947.