APA引文

(2009). Earth: An introduction to physical geology. Boston: Pearson.

Trích dẫn kiểu Chicago

Earth: An Introduction to Physical Geology. Boston: Pearson, 2009.

MLA引文

Earth: An Introduction to Physical Geology. Boston: Pearson, 2009.

警告：這些引文格式不一定是100％准確.