Παραπομπή σε μορφή APA (7η εκδ.)

Simmons, G. F. (1991). Differential equations, with applications and historical notes (2nd ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Simmons, George Finlay. Differential Equations, with Applications and Historical Notes. 2nd ed. New York: McGraw-Hill, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Simmons, George Finlay. Differential Equations, with Applications and Historical Notes. 2nd ed. McGraw-Hill, 1991.