Παραπομπή σε μορφή APA (7η εκδ.)

University of Wisconsin--Madison Mathenatics Research Center, Crandall, M. G., Rabinowitz, P. H., & Turner, R. E. L. (1987). Directions in partial differential equations. Academic Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

University of Wisconsin--Madison Mathenatics Research Center, Michael G. Crandall, Paul H. Rabinowitz, και Robert E. L. Turner. Directions in Partial Differential Equations. Boston: Academic Press, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

University of Wisconsin--Madison Mathenatics Research Center, et al. Directions in Partial Differential Equations. Academic Press, 1987.