APA (7th ed.) Citation

(1989). Webster's Dictionary Of English Usage. Meriam-Webster Inc.

Chicago Style (17th ed.) Citation

Webster's Dictionary Of English Usage. Massachusetts: Meriam-Webster Inc, 1989.

MLA (9th ed.) Citation

Webster's Dictionary Of English Usage. Meriam-Webster Inc, 1989.

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