Cita APA

John, F. 1., & John, F. 1. (1982). Partial differential equations (4. edition.). New York: Springer.

Citación estilo Chicago

John, Fritz 1910-1994, y Fritz 1910-1994 John. Partial Differential Equations. 4. edition. New York: Springer, 1982.

Cita MLA

John, Fritz 1910-1994, y Fritz 1910-1994 John. Partial Differential Equations. 4. edition. New York: Springer, 1982.