APA (7th ed.) Citation

Salas, S. L., & Hille, E. (1990). Calculus: One and several variables (6th edition.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Salas, S. L., and Einar Hille. Calculus: One and Several Variables. 6th edition. New York: John Wiley & Sons, 1990.

MLA (8th ed.) Citation

Salas, S. L., and Einar Hille. Calculus: One and Several Variables. 6th edition. John Wiley & Sons, 1990.

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