APA (7th ed.) Citation

Roget, P. M., & Dutch, R. A. (1965). The original Roget's thesaurus of English words and phrases. St. Martin's Press.

Chicago Style (17th ed.) Citation

Roget, Peter Mark, and Robert A. Dutch. The Original Roget's Thesaurus of English Words and Phrases. New York: St. Martin's Press, 1965.

MLA (9th ed.) Citation

Roget, Peter Mark, and Robert A. Dutch. The Original Roget's Thesaurus of English Words and Phrases. St. Martin's Press, 1965.