Cita APA

(1971). Webster's new twentieth century dictionary of the English language: Unabridged (2. ed.). New York: The World Pub..

Citación estilo Chicago

Webster's New Twentieth Century Dictionary of the English Language: Unabridged. 2. ed. New York: The World Pub., 1971.

Cita MLA

Webster's New Twentieth Century Dictionary of the English Language: Unabridged. 2. ed. New York: The World Pub., 1971.