Friedrichs, R. W. (1970). A sociology of sociology. Free Press.
芝加哥风格引文Friedrichs, Robert Winslow. A Sociology of Sociology. New York: Free Press, 1970.
MLA引文Friedrichs, Robert Winslow. A Sociology of Sociology. Free Press, 1970.
警告：这些引文格式不一定是100％准确.