APA Citation

Winter, J., & Roca, F. (2007). Muhammad Ali: Champion of the world. New York: Schwartz & Wade Books.

Chicago Style Citation

Winter, Jonah, and Francois Roca. Muhammad Ali: Champion of the World. New York: Schwartz & Wade Books, 2007.

MLA Citation

Winter, Jonah, and Francois Roca. Muhammad Ali: Champion of the World. New York: Schwartz & Wade Books, 2007.

Warning: These citations may not always be 100% accurate.