APA (7th ed.) Citation
Roget, P. M., & Roget, S. R. (1972). Roget's thesaurus of synonyms and antonyms. Tophi Books.
Chicago Style (17th ed.) Citation
Roget, Peter Mark, and Samuel Romilly Roget. Roget's Thesaurus of Synonyms and Antonyms. England: Tophi Books, 1972.
MLA (9th ed.) Citation
Roget, Peter Mark, and Samuel Romilly Roget. Roget's Thesaurus of Synonyms and Antonyms. Tophi Books, 1972.
Warning: These citations may not always be 100% accurate.