Levitan, S. A., & Belous, R. S. (1981). What's happening to the American family. JHU.
芝加哥风格引文Levitan, Sar A., 与 Richard S. Belous. What's Happening to the American Family. Baltimore: JHU, 1981.
MLA引文Levitan, Sar A., 与 Richard S. Belous. What's Happening to the American Family. JHU, 1981.
警告：这些引文格式不一定是100％准确.