APA (7th ed.) Citation
(1991). Roget's Thesaurus of English words and phrases (1. Edition.). Longman Group UK.
Chicago Style (17th ed.) Citation
Roget's Thesaurus of English Words and Phrases. 1. Edition. Harlow: Longman Group UK, 1991.
MLA (9th ed.) Citation
Roget's Thesaurus of English Words and Phrases. 1. Edition. Longman Group UK, 1991.
Warning: These citations may not always be 100% accurate.