APA (7th ed.) Citation

Forsyth, A. R. (1959). Theory of differential equations. Dover Publications.

Chicago Style (17th ed.) Citation

Forsyth, Andrew Russell. Theory of Differential Equations. New York: Dover Publications, 1959.

MLA (8th ed.) Citation

Forsyth, Andrew Russell. Theory of Differential Equations. Dover Publications, 1959.

Warning: These citations may not always be 100% accurate.