Cita APA

Schouten, J. A. n. 1., & Kulk, W. v. d. (1949). Pfaff's problem and its generalizations. Oxford: Clarendon.

Citación estilo Chicago

Schouten, Jan Arnoldus n. 1883, y Wouter van der Kulk. Pfaff's Problem and Its Generalizations. Oxford: Clarendon, 1949.

Cita MLA

Schouten, Jan Arnoldus n. 1883, y Wouter van der Kulk. Pfaff's Problem and Its Generalizations. Oxford: Clarendon, 1949.