Cita APA (7a ed.)

Knopp, K. (1948). Problem book in the theory of functions. ([1st American ed.].). Dover Publications.

Cita Chicago Style (17a ed.)

Knopp, Konrad. Problem Book in the Theory of Functions. [1st American ed.]. New York: Dover Publications, 1948.

Cita MLA (8a ed.)

Knopp, Konrad. Problem Book in the Theory of Functions. [1st American ed.]. Dover Publications, 1948.