APA-viite (7. p.)

Simmons, G. F. (2019). Differential equations with applications and historical notes (2nd.). McGraw hill.

Chicago-viite (17. p.)

Simmons, George F. Differential Equations with Applications and Historical Notes. 2nd. New York: McGraw hill, 2019.

MLA-viite (9. p.)

Simmons, George F. Differential Equations with Applications and Historical Notes. 2nd. McGraw hill, 2019.