Cohen, W. R., & Friedman, E. A. (2011). Labor and delivery care: A practical guide. Wiley-Blackwell.
芝加哥风格引文Cohen, Wayne R., 与 Emanuel A. Friedman. Labor and Delivery Care: A Practical Guide. Chichester, West Sussex: Wiley-Blackwell, 2011.
MLA引文Cohen, Wayne R., 与 Emanuel A. Friedman. Labor and Delivery Care: A Practical Guide. Wiley-Blackwell, 2011.
警告：这些引文格式不一定是100％准确.