APA (7th ed.) Citation

Random House (Firm). (1997). Random House Webster's English language desk reference. Random House.

Chicago Style (17th ed.) Citation

Random House (Firm). Random House Webster's English Language Desk Reference. New York: Random House, 1997.

MLA (9th ed.) Citation

Random House (Firm). Random House Webster's English Language Desk Reference. Random House, 1997.