APA引文

Hamblin, W. K. 1., & Howard, J. D. (1992). Exercises in physical geology. New York: Macmillan Pub. Co..

Trích dẫn kiểu Chicago

Hamblin, W. Kenneth 1928-, và James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.

MLA引文

Hamblin, W. Kenneth 1928-, và James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.

警告：這些引文格式不一定是100％准確.