APA (7th ed.) Citation

(1991). New Webster's Dictionary And Roget's Thesaurus. Ottenheimer Publisher's.

Chicago Style (17th ed.) Citation

New Webster's Dictionary And Roget's Thesaurus. New York: Ottenheimer Publisher's, 1991.

MLA (9th ed.) Citation

New Webster's Dictionary And Roget's Thesaurus. Ottenheimer Publisher's, 1991.

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