Ward, G. (2002). Cities of God. Routledge.
芝加哥风格引文Ward, Graham. Cities of God. London ; New York: Routledge, 2002.
MLA引文Ward, Graham. Cities of God. Routledge, 2002.
警告：这些引文格式不一定是100％准确.
APA引文
Ward, G. (2002). Cities of God. Routledge.
芝加哥风格引文Ward, Graham. Cities of God. London ; New York: Routledge, 2002.
MLA引文Ward, Graham. Cities of God. Routledge, 2002.