APA (7th ed.) Citation

Kipfer, B. A., & Chapman, R. L. (2001). Roget's international thesaurus (6th ed.). HarperResource.

Chicago Style (17th ed.) Citation

Kipfer, Barbara Ann, and Robert L. Chapman. Roget's International Thesaurus. 6th ed. New York: HarperResource, 2001.

MLA (9th ed.) Citation

Kipfer, Barbara Ann, and Robert L. Chapman. Roget's International Thesaurus. 6th ed. HarperResource, 2001.

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