Levitan, S. A. (1971). Blue-collar workers: A symposium on middle America. McGraw-Hill.
芝加哥风格引文Levitan, Sar A. Blue-collar Workers: A Symposium on Middle America. New York: McGraw-Hill, 1971.
MLA引文Levitan, Sar A. Blue-collar Workers: A Symposium on Middle America. McGraw-Hill, 1971.
警告：这些引文格式不一定是100％准确.