APA引文

Dunbar, G. S. (1991). Modern geography: An encyclopedic survey. Garland.

Chicago Style (17th ed.) Citation

Dunbar, Gary S. Modern Geography: An Encyclopedic Survey. New York: Garland, 1991.

MLA引文

Dunbar, Gary S. Modern Geography: An Encyclopedic Survey. Garland, 1991.

警告：這些引文格式不一定是100％准確.