APA (7th ed.) Citation

(1987). Roget's thesaurus of English worlds and phrases. Longman.

Chicago Style (17th ed.) Citation

Roget's Thesaurus of English Worlds and Phrases. Harlow, Essex: Longman, 1987.

MLA (9th ed.) Citation

Roget's Thesaurus of English Worlds and Phrases. Longman, 1987.