APA引文

Gerald Audesirk. (1993). Biology: Life of earth. New York: MacMillan.

Trích dẫn kiểu Chicago

Gerald Audesirk. Biology: Life of Earth. New York: MacMillan, 1993.

MLA引文

Gerald Audesirk. Biology: Life of Earth. New York: MacMillan, 1993.

警告：這些引文格式不一定是100％准確.