Yudkin, P., Yudkin, P. L., & Hope, P. (1993). Consequences of birth asphyxia.
芝加哥风格引文Yudkin, P., Patricia L.N Yudkin, 与 P. Hope. Consequences of Birth Asphyxia. 1993.
MLA引文Yudkin, P., et al. Consequences of Birth Asphyxia. 1993.
警告：这些引文格式不一定是100％准确.