Παραπομπή σε μορφή APA (7η εκδ.)

Langer, R. E. (1963). Nonlinear problems: Proceedings of a symposium conducted by the Mathematics Research Center, United States Army, at the University of Wisconsin, Madison, April 30-May 2, 1962. University of Wisconsin Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Langer, Rudolph Ernest. Nonlinear Problems: Proceedings of a Symposium Conducted by the Mathematics Research Center, United States Army, at the University of Wisconsin, Madison, April 30-May 2, 1962. Madison: University of Wisconsin Press, 1963.

Παραπομπή σε μορφή MLA (8th εκδ.)

Langer, Rudolph Ernest. Nonlinear Problems: Proceedings of a Symposium Conducted by the Mathematics Research Center, United States Army, at the University of Wisconsin, Madison, April 30-May 2, 1962. University of Wisconsin Press, 1963.