Style de citation APA (7e éd.)

Krapp, G. P. (1960). The English language in America. Frederick Ungar Publishing.

Style de citation Chicago (17e éd.)

Krapp, George Philip. The English Language in America. New York: Frederick Ungar Publishing, 1960.

Style de citation MLA (9e éd.)

Krapp, George Philip. The English Language in America. Frederick Ungar Publishing, 1960.