Hopkins, C. H. (1951). History of the Y.M.C.A. in North America. Association Press.
Chicago Style (17th ed.) CitationHopkins, Charles Howard. History of the Y.M.C.A. in North America. New York: Association Press, 1951.
MLA引文Hopkins, Charles Howard. History of the Y.M.C.A. in North America. Association Press, 1951.
警告:這些引文格式不一定是100%准確.