APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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