APA ציטוט

Ho, J. Y., & Elo, I. T. (2013). The Contribution of Smoking to Black-White Differences in U.S. Mortality.

Citação norma Chicago

Ho, Jessica Y., and Irma T. Elo. The Contribution of Smoking to Black-White Differences in U.S. Mortality. 2013.

ציטוט MLA

Ho, Jessica Y., and Irma T. Elo. The Contribution of Smoking to Black-White Differences in U.S. Mortality. 2013.