APA引文

Creighton, R., & Willex, A. B. (1971). Calculus of several variables. Houghton.

Chicago Edition Citation

Creighton, R., and Alfred B. Willex. Calculus of Several Variables. Boston: Houghton, 1971.

MLA引文

Creighton, R., and Alfred B. Willex. Calculus of Several Variables. Houghton, 1971.

警告：这些引文格式不一定是100％准确.