APA (7th ed.) Citation

(1991). New Webster's dictionary and thesaurus of the English language (1991 ed.). Lexicon Pub.

Chicago Style (17th ed.) Citation

New Webster's Dictionary and Thesaurus of the English Language. 1991 ed. New York: Lexicon Pub, 1991.

MLA (9th ed.) Citation

New Webster's Dictionary and Thesaurus of the English Language. 1991 ed. Lexicon Pub, 1991.

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