Cite
Secular trends and geographical variations in sex ratio at birth.
MLA
Pavic, Dario. “Secular Trends and Geographical Variations in Sex Ratio at Birth.” Early Human Development, vol. 91, no. 12, Dec. 2015, pp. 811–15. EBSCOhost, https://doi.org/10.1016/j.earlhumdev.2015.10.007.
APA
Pavic, D. (2015). Secular trends and geographical variations in sex ratio at birth. Early Human Development, 91(12), 811–815. https://doi.org/10.1016/j.earlhumdev.2015.10.007
Chicago
Pavic, Dario. 2015. “Secular Trends and Geographical Variations in Sex Ratio at Birth.” Early Human Development 91 (12): 811–15. doi:10.1016/j.earlhumdev.2015.10.007.