Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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