Butler, T. R., & Cooper, F. (1900). Unpublished letters. Records of the American Catholic Historical Society of Philadelphia. Volume XI. Pages 215-220. Philadelphia : American Catholic Historical Society of Philadelphia.
Chicago Style (17th ed.) CitationButler, T. R., and Francis Cooper. Unpublished Letters. Records of the American Catholic Historical Society of Philadelphia. Volume XI. Pages 215-220. Philadelphia : American Catholic Historical Society of Philadelphia, 1900.
MLA引文Butler, T. R., and Francis Cooper. Unpublished Letters. Records of the American Catholic Historical Society of Philadelphia. Volume XI. Pages 215-220. Philadelphia : American Catholic Historical Society of Philadelphia, 1900.
警告：這些引文格式不一定是100％准確.