APA (7th ed.) Citation

Barretta, G. (2017). Muhammad Ali: A champion is born (First edition.). Katherine Tegen Books.

Chicago Style (17th ed.) Citation

Barretta, Gene. Muhammad Ali: A Champion Is Born. First edition. New York, NY: Katherine Tegen Books, 2017.

MLA (9th ed.) Citation

Barretta, Gene. Muhammad Ali: A Champion Is Born. First edition. Katherine Tegen Books, 2017.