APA

Cho Y. J., Thrasher J., Cummings M., Yong H. H., Hitchman S. C., McNeill A., Fong G. T., Hammond D., Hardin J., Li L. & Lindblom E. N. (20210528). Cross-country comparison of cigarette and vaping product marketing exposure and use: findings from 2016 ITC Four Country Smoking and Vaping Survey. : Tobacco control.

Chicago

Cho Yoo Jin, Thrasher James, Cummings Michael, Yong Hua H, Hitchman Sara C, McNeill Ann, Fong Geoffrey T, Hammond David, Hardin James, Li Lin and Lindblom Eric N. 20210528. Cross-country comparison of cigarette and vaping product marketing exposure and use: findings from 2016 ITC Four Country Smoking and Vaping Survey. : Tobacco control.

Harvard

Cho Y. J., Thrasher J., Cummings M., Yong H. H., Hitchman S. C., McNeill A., Fong G. T., Hammond D., Hardin J., Li L. and Lindblom E. N. (20210528). Cross-country comparison of cigarette and vaping product marketing exposure and use: findings from 2016 ITC Four Country Smoking and Vaping Survey. : Tobacco control.

MLA

Cho Yoo Jin, Thrasher James, Cummings Michael, Yong Hua H, Hitchman Sara C, McNeill Ann, Fong Geoffrey T, Hammond David, Hardin James, Li Lin and Lindblom Eric N. Cross-country comparison of cigarette and vaping product marketing exposure and use: findings from 2016 ITC Four Country Smoking and Vaping Survey. : Tobacco control. 20210528.