APA (7th ed.) Citation

Tophi Books & Roget, P. (1994). Roget's thesaurus of synonyms and antonyms. Tophi Books.

Chicago Style (17th ed.) Citation

Tophi Books and Peter-Mark Roget. Roget's Thesaurus of Synonyms and Antonyms. London: Tophi Books, 1994.

MLA (8th ed.) Citation

Tophi Books and Peter-Mark Roget. Roget's Thesaurus of Synonyms and Antonyms. Tophi Books, 1994.

Warning: These citations may not always be 100% accurate.