Fagan, B. M. (1998). People of the earth: An introduction to world prehistory (9th.ed.). Longman.
芝加哥风格引文Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 9th.ed. New York: Longman, 1998.
MLA引文Fagan, Brian M. People of the Earth: An Introduction to World Prehistory. 9th.ed. Longman, 1998.
警告:这些引文格式不一定是100%准确.