APA (7th ed.) Citation

Knopp, K. (1945). Theory of functions. Dover Publications.

Chicago Style (17th ed.) Citation

Knopp, Konrad. Theory of Functions. New York: Dover Publications, 1945.

MLA (9th ed.) Citation

Knopp, Konrad. Theory of Functions. Dover Publications, 1945.

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