APA (7th ed.) Citation

Roget, P. M., Roget, J. L., & Roget, S. R. (1979). Roget's Thesaurus of English words and phrases. Avenal Books.

Chicago Style (17th ed.) Citation

Roget, Peter Mark, John Lewis Roget, and Samuel Romilly Roget. Roget's Thesaurus of English Words and Phrases. New York: Avenal Books, 1979.

MLA (9th ed.) Citation

Roget, Peter Mark, et al. Roget's Thesaurus of English Words and Phrases. Avenal Books, 1979.