Cita APA (7th ed.)

JOHN, F. (1978). Partial differential equations. Springer-Verlag.

Cita Chicago (17th ed.)

JOHN, Fritz. Partial Differential Equations. New York: Springer-Verlag, 1978.

Cita MLA (9th ed.)

JOHN, Fritz. Partial Differential Equations. Springer-Verlag, 1978.