APA استشهاد

Knopp, K. (1953). Elements of the theory of functions. Dover Publications.

استشهاد بنمط شيكاغو

Knopp, Konrad. Elements of the Theory of Functions. New York]: Dover Publications, 1953.

MLA استشهاد

Knopp, Konrad. Elements of the Theory of Functions. Dover Publications, 1953.