APA (7th ed.) Citation

Merriam-Webster & Mish, F. C. (1986). Webster's ninth new collegiate dictionary. Merriam-Webster.

Chicago Style (17th ed.) Citation

Merriam-Webster and Frederick C. Mish. Webster's Ninth New Collegiate Dictionary. Springfield, Massachusetts: Merriam-Webster, 1986.

MLA (9th ed.) Citation

Merriam-Webster and Frederick C. Mish. Webster's Ninth New Collegiate Dictionary. Merriam-Webster, 1986.