APA استشهاد

John, F. (1975). Partial differential equations (2nd ed.). Springer-Verlag.

استشهاد بنمط شيكاغو

John, F. Partial Differential Equations. 2nd ed. New York: Springer-Verlag, 1975.

MLA استشهاد

John, F. Partial Differential Equations. 2nd ed. Springer-Verlag, 1975.