APA (7th ed.) Citation

Beston, P. (2017). The Boxing Kings: When American Heavyweights Ruled the Ring.

Chicago Style (17th ed.) Citation

Beston, Paul. The Boxing Kings: When American Heavyweights Ruled the Ring. 2017.

MLA (9th ed.) Citation

Beston, Paul. The Boxing Kings: When American Heavyweights Ruled the Ring. 2017.

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