Sjoberg, G. (1965). The preindustrial city, past and present. Free Press.
芝加哥风格引文Sjoberg, Gideon. The Preindustrial City, Past and Present. New York: Free Press, 1965.
MLA引文Sjoberg, Gideon. The Preindustrial City, Past and Present. Free Press, 1965.
警告：这些引文格式不一定是100％准确.