APA (7th ed.) Citation

(1975). Roget's thesaurus of english words and: Phrases. Longman.

Chicago Style (17th ed.) Citation

Roget's Thesaurus of English Words and: Phrases. London: Longman, 1975.

MLA (9th ed.) Citation

Roget's Thesaurus of English Words and: Phrases. Longman, 1975.