APA (7th ed.) Citation

Buck, R. C., & Willcox, A. B. (1971). Calculus of several variables. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Buck, Robert Creighton, and Alfred B. Willcox. Calculus of Several Variables. Boston: Houghton Mifflin, 1971.

MLA (9th ed.) Citation

Buck, Robert Creighton, and Alfred B. Willcox. Calculus of Several Variables. Houghton Mifflin, 1971.