Zatuchni, G. I., Sciarra, J. J., & Speidel, J. J. 1. (1979). Pregnancy termination: Procedures, safety, and new developments. Harper & Row.
芝加哥风格引文Zatuchni, Gerald I., John J. Sciarra, 与 John Joseph 1937 Speidel. Pregnancy Termination: Procedures, Safety, and New Developments. Hagerstown, MD: Harper & Row, 1979.
MLA引文Zatuchni, Gerald I., et al. Pregnancy Termination: Procedures, Safety, and New Developments. Harper & Row, 1979.
警告：这些引文格式不一定是100％准确.