Παραπομπή σε μορφή APA (7η εκδ.)

Gill, T. L., & Zachary, W. W. (1987). Nonlinear semigroups, partial differential equations and attractors: Proceedings of a Symposium held at Howard University in Washington, D.C. on August 5-8, 1985. Springer Verlag.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gill, Tepper L., και Woodford W. Zachary. Nonlinear Semigroups, Partial Differential Equations and Attractors: Proceedings of a Symposium Held at Howard University in Washington, D.C. on August 5-8, 1985. Berlin: Springer Verlag, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gill, Tepper L., και Woodford W. Zachary. Nonlinear Semigroups, Partial Differential Equations and Attractors: Proceedings of a Symposium Held at Howard University in Washington, D.C. on August 5-8, 1985. Springer Verlag, 1987.