APA استشهاد

Simmons, G. F. (1972). Differential equations with applications and historical notes. McGraw-Hill.

استشهاد بنمط شيكاغو

Simmons, George F. Differential Equations with Applications and Historical Notes. New York: McGraw-Hill, 1972.

MLA استشهاد

Simmons, George F. Differential Equations with Applications and Historical Notes. McGraw-Hill, 1972.