Cita APA

Sommerfeld, A. J. W. 1., & Sommerfeld, A. J. W. 1. (1949). Partial differential equations in physics. New York, New York: Academic.

Citación estilo Chicago

Sommerfeld, Arnold Johannes Wilhelm 1868-1951, y Arnold Johannes Wilhelm 1868-1951 Sommerfeld. Partial Differential Equations in Physics. New York, New York: Academic, 1949.

Cita MLA

Sommerfeld, Arnold Johannes Wilhelm 1868-1951, y Arnold Johannes Wilhelm 1868-1951 Sommerfeld. Partial Differential Equations in Physics. New York, New York: Academic, 1949.