Cita APA (7th ed.)

John, F. (1982). Partial differential equations. Springer.

Cita Chicago (17th ed.)

John, Fritz. Partial Differential Equations. New York: Springer, 1982.

Cita MLA (9th ed.)

John, Fritz. Partial Differential Equations. Springer, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.