Service, E. R. (1975). Origins of the state and civilization: The process of cultural evolution. Norton.
芝加哥风格引文Service, Elman Rogers. Origins of the State and Civilization: The Process of Cultural Evolution. New York: Norton, 1975.
MLA引文Service, Elman Rogers. Origins of the State and Civilization: The Process of Cultural Evolution. Norton, 1975.
警告：这些引文格式不一定是100％准确.