APA

Webster N., McKechnie J. L., . (1979). Webster's new twentieth century dictionary of the English language, unabridged. New York: Prentice- hall.

Chicago

Webster Noah, McKechnie Jean L, . 1979. Webster's new twentieth century dictionary of the English language, unabridged. New York: Prentice- hall.

Harvard

Webster N., McKechnie J. L., . (1979). Webster's new twentieth century dictionary of the English language, unabridged. New York: Prentice- hall.

MLA

Webster Noah, McKechnie Jean L, . Webster's new twentieth century dictionary of the English language, unabridged. New York: Prentice- hall. 1979.