APA引文

Douglass, F., & Smith, J. D. (2003). My bondage and my freedom. Penguin Books.

Chicago Style (17th ed.) Citation

Douglass, Frederick, and John David Smith. My Bondage and My Freedom. New York: Penguin Books, 2003.

MLA引文

Douglass, Frederick, and John David Smith. My Bondage and My Freedom. Penguin Books, 2003.

警告：這些引文格式不一定是100％准確.