APA引文

Tinsley Keeton, W. (1993). Biological science. New York: Norton.

Trích dẫn kiểu Chicago

Tinsley Keeton, William. Biological Science. New York: Norton, 1993.

MLA引文

Tinsley Keeton, William. Biological Science. New York: Norton, 1993.

警告：這些引文格式不一定是100％准確.