APA (7th ed.) Citation

Steinmetz, S. (1999). Random House Webster's unabridged dictionary (2nd ed.). Random House.

Chicago Style (17th ed.) Citation

Steinmetz, Sol. Random House Webster's Unabridged Dictionary. 2nd ed. New York: Random House, 1999.

MLA (9th ed.) Citation

Steinmetz, Sol. Random House Webster's Unabridged Dictionary. 2nd ed. Random House, 1999.