APA (7th ed.) Citation

Roget, P. M., & Lloyd, S. M. (1982). Roget's Thesaurus of English words and phrases (New ed.). Longman.

Chicago Style (17th ed.) Citation

Roget, Peter Mark, and Susan M. Lloyd. Roget's Thesaurus of English Words and Phrases. New ed. Harlow, Essex: Longman, 1982.

MLA (9th ed.) Citation

Roget, Peter Mark, and Susan M. Lloyd. Roget's Thesaurus of English Words and Phrases. New ed. Longman, 1982.