Cita APA (7th ed.)
Knopp, K. (1952). Elements of the theory of functions (1a.ed.). Dover publications.
Cita Chicago (17th ed.)
Knopp, Konrad. Elements of the Theory of Functions. 1a.ed. New York: Dover publications, 1952.
Cita MLA (9th ed.)
Knopp, Konrad. Elements of the Theory of Functions. 1a.ed. Dover publications, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.