Cita APA (7th ed.)

John, F. (1982). Partial differential equations (Fourth edition.). Springer-Verlag.

Cita Chicago (17th ed.)

John, Fritz. Partial Differential Equations. Fourth edition. New York: Springer-Verlag, 1982.

Cita MLA (8th ed.)

John, Fritz. Partial Differential Equations. Fourth edition. Springer-Verlag, 1982.