APA引文

Sullivan, P. (1990). Pay more attention to your own health, physicians warned.

Citação norma Chicago

Sullivan, P. Pay More Attention to Your Own Health, Physicians Warned. 1990.

MLA引文

Sullivan, P. Pay More Attention to Your Own Health, Physicians Warned. 1990.

警告：這些引文格式不一定是100％准確.