APA (7th ed.) Citation

Kipfer, B. A., & Chapman,Robert L. (2007). Roget's thesaurus (6th ed., rev. & updated.). Harper.

Chicago Style (17th ed.) Citation

Kipfer, Barbara Ann, and Chapman,Robert L. Roget's Thesaurus. 6th ed., rev. & updated. New York: Harper, 2007.

MLA (9th ed.) Citation

Kipfer, Barbara Ann, and Chapman,Robert L. Roget's Thesaurus. 6th ed., rev. & updated. Harper, 2007.