APA引文

Freeman, S. (2011). Biological science (Fourth edition.). Benjamin Cummings.

Chicago Style (17th ed.) Citation

Freeman, Scott. Biological Science. Fourth edition. Boston: Benjamin Cummings, 2011.

MLA引文

Freeman, Scott. Biological Science. Fourth edition. Benjamin Cummings, 2011.

警告：這些引文格式不一定是100％准確.