Cite
Estimates of Pregnancies and Pregnancy Rates for the United States, 1976-85.
MLA
Ventura, Stephanie J., et al. “Estimates of Pregnancies and Pregnancy Rates for the United States, 1976-85.” American Journal of Public Health, vol. 78, no. 5, May 1988, pp. 506–11. EBSCOhost, https://doi.org/10.2105/AJPH.78.5.506.
APA
Ventura, S. J., Taffel, S. M., & Mosher, W. D. (1988). Estimates of Pregnancies and Pregnancy Rates for the United States, 1976-85. American Journal of Public Health, 78(5), 506–511. https://doi.org/10.2105/AJPH.78.5.506
Chicago
Ventura, Stephanie J., Selma M. Taffel, and William D. Mosher. 1988. “Estimates of Pregnancies and Pregnancy Rates for the United States, 1976-85.” American Journal of Public Health 78 (5): 506–11. doi:10.2105/AJPH.78.5.506.