APA (7th ed.) Citation

Smith, B., Hopkins, A., & Potter, J. (2008). Muhammad Ali. Pearson Education.

Chicago Style (17th ed.) Citation

Smith, Bernard, Andy Hopkins, and Jocelyn Potter. Muhammad Ali. Edinburgh: Pearson Education, 2008.

MLA (9th ed.) Citation

Smith, Bernard, et al. Muhammad Ali. Pearson Education, 2008.