Butcher, H. J. (1968). Human intelligence: Its nature and assesment. Harper.
Chicago Edition CitationButcher, H. J. Human Intelligence: Its Nature and Assesment. New York: Harper, 1968.
MLA引文Butcher, H. J. Human Intelligence: Its Nature and Assesment. Harper, 1968.
警告：這些引文格式不一定是100％准確.