APA引文

Freeman, S. (2011). Biological science (4th ed.). Benjamin Cummings.

芝加哥风格引文

Freeman, Scott. Biological Science. 4th ed. Boston: Benjamin Cummings, 2011.

MLA引文

Freeman, Scott. Biological Science. 4th ed. Benjamin Cummings, 2011.

警告:这些引文格式不一定是100%准确.