APA Zitierstil

Pongou, R. (2013). Why Is Infant Mortality Higher in Boys Than in Girls? A New Hypothesis Based on Preconception Environment and Evidence From a Large Sample of Twins. Demography, 50(2), 421.

Chicago Zitierstil

Pongou, Roland. "Why Is Infant Mortality Higher in Boys Than in Girls? A New Hypothesis Based on Preconception Environment and Evidence From a Large Sample of Twins." Demography 50, no. 2 (2013): 421.

MLA Zitierstil

Pongou, Roland. "Why Is Infant Mortality Higher in Boys Than in Girls? A New Hypothesis Based on Preconception Environment and Evidence From a Large Sample of Twins." Demography, vol. 50, no. 2, 2013, p. 421.