APA引文

Dawson, G. (2003). Study Shows Aspirin Effective for Stroke Prevention in Blacks.

Citação norma Chicago

Dawson, George. Study Shows Aspirin Effective for Stroke Prevention in Blacks. 2003.

MLA引文

Dawson, George. Study Shows Aspirin Effective for Stroke Prevention in Blacks. 2003.

警告：這些引文格式不一定是100％准確.