APA引文

Helfer, R. (1998). Modoc: The true story of the greatest elephant that ever lived (1st HarperPerennial ed.). HarperPerennial.

Chicago Style (17th ed.) Citation

Helfer, Ralph. Modoc: The True Story of the Greatest Elephant That Ever Lived. 1st HarperPerennial ed. New York: HarperPerennial, 1998.

MLA引文

Helfer, Ralph. Modoc: The True Story of the Greatest Elephant That Ever Lived. 1st HarperPerennial ed. HarperPerennial, 1998.

警告：這些引文格式不一定是100％准確.