Cita APA

Knopp, K. 1., & Knopp, K. 1. (1948). Problem book in the theory of functions. New York, New York: Dover.

Citación estilo Chicago

Knopp, Konrad 1882-1957, y Konrad 1882-1957 Knopp. Problem Book in the Theory of Functions. New York, New York: Dover, 1948.

Cita MLA

Knopp, Konrad 1882-1957, y Konrad 1882-1957 Knopp. Problem Book in the Theory of Functions. New York, New York: Dover, 1948.