APA (7th ed.) Citation

Khoury, A., Tarter, J., Barton, J. R., & Sibai, B. M. (2002). Demographic and obstetric factors influencing pregnancy outcome in twin gestations.

Chicago Style (17th ed.) Citation

Khoury, Alfred, Jennifer Tarter, John R. Barton, and Baha M. Sibai. Demographic and Obstetric Factors Influencing Pregnancy Outcome in Twin Gestations. 2002.

MLA (9th ed.) Citation

Khoury, Alfred, et al. Demographic and Obstetric Factors Influencing Pregnancy Outcome in Twin Gestations. 2002.