APA (7th ed.) Citation

Hale, J. K. (1980). Ordinary differential equations (2. ed.). Krieger.

Chicago Style (17th ed.) Citation

Hale, Jack K. Ordinary Differential Equations. 2. ed. Malabar, Fla: Krieger, 1980.

MLA (9th ed.) Citation

Hale, Jack K. Ordinary Differential Equations. 2. ed. Krieger, 1980.