Fielding, M. (1928). Parenthood: Design or accident? A manual of birth-control. Labour Pub. Co..
芝加哥风格引文Fielding, Michael. Parenthood: Design or Accident? A Manual of Birth-control. London: Labour Pub. Co., 1928.
MLA引文Fielding, Michael. Parenthood: Design or Accident? A Manual of Birth-control. Labour Pub. Co., 1928.
警告：这些引文格式不一定是100％准确.