APA (7th ed.) Citation

Roget, P. M. (1990). Roget's thesaurus of english words and phrases. Pertland House.

Chicago Style (17th ed.) Citation

Roget, Peter Mark. Roget's Thesaurus of English Words and Phrases. Pertland House, 1990.

MLA (8th ed.) Citation

Roget, Peter Mark. Roget's Thesaurus of English Words and Phrases. Pertland House, 1990.

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