Citazione Stile APA (7a Edizione)

Knopp, K. (1948). Problem book in the theory of functions. Dover Publications.

Citazione stile Chigago Style (17a edizione)

Knopp, Konrad. Problem Book in the Theory of Functions. Nueva York: Dover Publications, 1948.

Citatione MLA (9a ed.)

Knopp, Konrad. Problem Book in the Theory of Functions. Dover Publications, 1948.