Style de citation APA (7e éd.)

Hopkins, C. H. (1951). History of the Y.M.C.A. in North America. Association Press.

Style de citation Chicago (17e éd.)

Hopkins, Charles Howard. History of the Y.M.C.A. in North America. New York: Association Press, 1951.

Style de citation MLA (8e éd.)

Hopkins, Charles Howard. History of the Y.M.C.A. in North America. Association Press, 1951.