Edgerton, R. B. (1979). Mental retardation. Harvard University Press.
芝加哥风格引文Edgerton, Robert B. Mental Retardation. Cambridge, Mass.: Harvard University Press, 1979.
MLA引文Edgerton, Robert B. Mental Retardation. Harvard University Press, 1979.
警告：这些引文格式不一定是100％准确.