APA(7版)引用形式

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

Chicagoスタイル(17版)引用形式

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

MLA(9版)引用形式

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