APA (7th ed.) Citation

(1989). Webster's encyclopedic unabridged dictionary of the English language. Gramercy Books.

Chicago Style (17th ed.) Citation

Webster's Encyclopedic Unabridged Dictionary of the English Language. New York ; Avenel, NJ: Gramercy Books, 1989.

MLA (9th ed.) Citation

Webster's Encyclopedic Unabridged Dictionary of the English Language. Gramercy Books, 1989.

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