APA (7th ed.) Citation

Forsyth, A. R. (1929). A treatise on differential equations (6a. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Forsyth, Andrew Russell. A Treatise on Differential Equations. 6a. ed. Londres: Macmillan, 1929.

MLA (9th ed.) Citation

Forsyth, Andrew Russell. A Treatise on Differential Equations. 6a. ed. Macmillan, 1929.