Conn, S. (2006). Metropolitan Philadelphia: Living with the presence of the past. University of Pennsylvania Press.
芝加哥风格引文Conn, Steven. Metropolitan Philadelphia: Living with the Presence of the Past. Philadelphia: University of Pennsylvania Press, 2006.
MLA引文Conn, Steven. Metropolitan Philadelphia: Living with the Presence of the Past. University of Pennsylvania Press, 2006.
警告：这些引文格式不一定是100％准确.