APA (7th ed.) Citation

Webster, N. (1990). Webster's new spelling dictionary (Compact edition.). World Book Marketing.

Chicago Style (17th ed.) Citation

Webster, Noah. Webster's New Spelling Dictionary. Compact edition. Taunton, MA: World Book Marketing, 1990.

MLA (9th ed.) Citation

Webster, Noah. Webster's New Spelling Dictionary. Compact edition. World Book Marketing, 1990.

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