APA (7th ed.) Citation

Bingham, H. L. (1993). Muhammad Ali: A thirty-year journey. Robson Books Ltd..

Chicago Style (17th ed.) Citation

Bingham, Howard L. Muhammad Ali: A Thirty-year Journey. London: Robson Books Ltd., 1993.

MLA (9th ed.) Citation

Bingham, Howard L. Muhammad Ali: A Thirty-year Journey. Robson Books Ltd., 1993.