APA (7th ed.) Citation

Wilcox, L. R., & Curtis, H. J. (1966). Elementary differential equations (2d ed.). International Textbook Co.

Chicago Style (17th ed.) Citation

Wilcox, L. R., and Herbert J. Curtis. Elementary Differential Equations. 2d ed. Scranton, Pa.: International Textbook Co, 1966.

MLA (8th ed.) Citation

Wilcox, L. R., and Herbert J. Curtis. Elementary Differential Equations. 2d ed. International Textbook Co, 1966.