APA (7th ed.) Citation

Nagel, R., & Commire, A. (1994). World leaders: People who shaped the world. U.X.L.

Chicago Style (17th ed.) Citation

Nagel, Rob, and Anne Commire. World Leaders: People Who Shaped the World. Detroit: U.X.L, 1994.

MLA (9th ed.) Citation

Nagel, Rob, and Anne Commire. World Leaders: People Who Shaped the World. U.X.L, 1994.