International Academy of Perinatal Medicine, Saling, E., Dräger, M., Stupin, J. H., & D'Alton, M. E. (2014). The beginnings of perinatal medicine. De Gruyter.
芝加哥风格引文International Academy of Perinatal Medicine, Erich Saling, Monika Dräger, Jens H. Stupin, 与 Mary E. D'Alton. The Beginnings of Perinatal Medicine. Munich, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2014.
MLA引文International Academy of Perinatal Medicine, et al. The Beginnings of Perinatal Medicine. De Gruyter, 2014.
警告：这些引文格式不一定是100％准确.