APA引文

Walters, D. J. (1991). The gathering momentum against tobacco: Action by physicians is needed on all fronts.

Citação norma Chicago

Walters, D J. The Gathering Momentum against Tobacco: Action By Physicians Is Needed On All Fronts. 1991.

MLA引文

Walters, D J. The Gathering Momentum against Tobacco: Action By Physicians Is Needed On All Fronts. 1991.

警告：這些引文格式不一定是100％准確.