APA (7th ed.) Citation

Powell, J. (2000). Biographical encyclopedia of 20th-century world leaders. M. Cavendish.

Chicago Style (17th ed.) Citation

Powell, John. Biographical Encyclopedia of 20th-century World Leaders. New York: M. Cavendish, 2000.

MLA (9th ed.) Citation

Powell, John. Biographical Encyclopedia of 20th-century World Leaders. M. Cavendish, 2000.

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