APA引文

Proga, R. (1996). Arithmetic and algebra (4th.ed.). PWS.

芝加哥风格引文

Proga, Rosanne. Arithmetic and Algebra. 4th.ed. Boston: PWS, 1996.

MLA引文

Proga, Rosanne. Arithmetic and Algebra. 4th.ed. PWS, 1996.

警告：这些引文格式不一定是100％准确.