Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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