APA (7th ed.) Citation

Webster, N., & McKechnie, J. L. (1975). Webster's new twentieth century dictionary of the English language, unabridged: Based upon the broad foundations laid down by Noah Webster (2d ed., extensively rev.). Collins+World.

Chicago Style (17th ed.) Citation

Webster, Noah, and Jean L. McKechnie. Webster's New Twentieth Century Dictionary of the English Language, Unabridged: Based upon the Broad Foundations Laid Down by Noah Webster. 2d ed., extensively rev. [Cleveland]: Collins+World, 1975.

MLA (8th ed.) Citation

Webster, Noah, and Jean L. McKechnie. Webster's New Twentieth Century Dictionary of the English Language, Unabridged: Based upon the Broad Foundations Laid Down by Noah Webster. 2d ed., extensively rev. Collins+World, 1975.