APA (7th ed.) Citation

Webster, N. (1966). Webster's third new international dictionary of the English language unabridged. Merriam.

Chicago Style (17th ed.) Citation

Webster, Noah. Webster's Third New International Dictionary of the English Language Unabridged. Springfield: Merriam, 1966.

MLA (9th ed.) Citation

Webster, Noah. Webster's Third New International Dictionary of the English Language Unabridged. Merriam, 1966.

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