APA引文

Johnson, G. B. (2006). The living world. Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

MLA引文

Johnson, George Brooks. The Living World. Boston, MA: McGraw-Hill, 2006.

警告：這些引文格式不一定是100％准確.