APA引文

Swokowski, E. W. (2019). Precalculus: Functions & graphs (13th edition.). Cengage.

芝加哥风格引文

Swokowski, Earl W. Precalculus: Functions & Graphs. 13th edition. Boston, MA: Cengage, 2019.

MLA引文

Swokowski, Earl W. Precalculus: Functions & Graphs. 13th edition. Cengage, 2019.

警告:这些引文格式不一定是100%准确.