APA (7th ed.) Citation

(1990). Websteŕs Ninth New Collegiate Dictionary. Merriam-Webster.

Chicago Style (17th ed.) Citation

Websteŕs Ninth New Collegiate Dictionary. Springfield: Merriam-Webster, 1990.

MLA (9th ed.) Citation

Websteŕs Ninth New Collegiate Dictionary. Merriam-Webster, 1990.

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