APA引文

Freedman, R. (2007). Who was first?: Discovering the Americas. Clarion Books.

Chicago Style (17th ed.) Citation

Freedman, Russell. Who Was First?: Discovering the Americas. New York: Clarion Books, 2007.

MLA引文

Freedman, Russell. Who Was First?: Discovering the Americas. Clarion Books, 2007.

警告：這些引文格式不一定是100％准確.