APA aipamena

Mason, S. M., Kaufman, J. S., Emch, M. E., Hogan, V. K., & Savitz, D. A. (2010). Ethnic Density and Preterm Birth in African-, Caribbean-, and US-Born Non-Hispanic Black Populations in New York City. Oxford University Press.

Chicago Style aipamena

Mason, Susan M., Jay S. Kaufman, Michael E. Emch, Vijaya K. Hogan, and David A. Savitz. Ethnic Density and Preterm Birth in African-, Caribbean-, and US-Born Non-Hispanic Black Populations in New York City. Oxford University Press, 2010.

MLA aipamena

Mason, Susan M., et al. Ethnic Density and Preterm Birth in African-, Caribbean-, and US-Born Non-Hispanic Black Populations in New York City. Oxford University Press, 2010.