Johnson, H. M. (1960). Sociology: A systematic introduction. Harcourt, Brace.
芝加哥风格引文Johnson, Harry M. Sociology: A Systematic Introduction. New York: Harcourt, Brace, 1960.
MLA引文Johnson, Harry M. Sociology: A Systematic Introduction. Harcourt, Brace, 1960.
警告:这些引文格式不一定是100%准确.