APA (7th ed.) Citation

Salas, S. L., & Hille, E. (1971). Calculus one and several variables. Xerox College Publishing.

Chicago Style (17th ed.) Citation

Salas, Saturnino L., and Einar Hille. Calculus One and Several Variables. Lexington: Xerox College Publishing, 1971.

MLA (9th ed.) Citation

Salas, Saturnino L., and Einar Hille. Calculus One and Several Variables. Xerox College Publishing, 1971.