APA citiranje

Lee, H. C., Gould, J. B., Boscardin, W. J., El-Sayed, Y. Y., & Blumenfeld, Y. J. (2011). Trends in Cesarean Delivery for Twin Births in the United States: 1995 to 2008.

Citação norma Chicago

Lee, Henry C., Jeffrey B. Gould, W. John Boscardin, Yasser Y. El-Sayed, and Yair J. Blumenfeld. Trends in Cesarean Delivery for Twin Births in the United States: 1995 to 2008. 2011.

MLA citiranje

Lee, Henry C., et al. Trends in Cesarean Delivery for Twin Births in the United States: 1995 to 2008. 2011.