George Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
Chicago Style (17th ed.) CitationGeorge Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
MLA引文George Gilmary Higgins. The Catholic University of America, The American Catholic History Research Center and University Archives.
警告:這些引文格式不一定是100%准確.