APA (7th ed.) Citation

Wilcox, L. R., & Curtis, H. J. (1961). Elementary differential equations. International Textbook Co.

Chicago Style (17th ed.) Citation

Wilcox, L. R., and Herbert J. Curtis. Elementary Differential Equations. Scranton: International Textbook Co, 1961.

MLA (9th ed.) Citation

Wilcox, L. R., and Herbert J. Curtis. Elementary Differential Equations. International Textbook Co, 1961.

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