APA (7th ed.) Citation

Townsend, E. J., & Goodenough, G. A. (1910). Essentials of calculus (2d ed.). Holt.

Chicago Style (17th ed.) Citation

Townsend, Edgar Jerome, and G. A. Goodenough. Essentials of Calculus. 2d ed. New York: Holt, 1910.

MLA (9th ed.) Citation

Townsend, Edgar Jerome, and G. A. Goodenough. Essentials of Calculus. 2d ed. Holt, 1910.