APA Format
Webster, Noah
. (1971). Webster's new twentieth century dictionary of the english language, unabridge. New York : World Neigbors Publ.
MLA Format
Webster, Noah
. Webster's new twentieth century dictionary of the english language, unabridge. New York : World Neigbors Publ., 1971
Australian/Harvard Format
Webster, Noah
. 1971. Webster's new twentieth century dictionary of the english language, unabridge. World Neigbors Publ., New York
Warning: These citations may not always be 100% accurate.