APA引文

Hay, D. R., & Turbott, S. (1970). Changes in smoking habits in men under 65 years after myocardial infarction and coronary insufficiency.

Citação norma Chicago

Hay, D R., and S. Turbott. Changes in Smoking Habits in Men Under 65 Years After Myocardial Infarction and Coronary Insufficiency. 1970.

MLA引文

Hay, D R., and S. Turbott. Changes in Smoking Habits in Men Under 65 Years After Myocardial Infarction and Coronary Insufficiency. 1970.

警告：這些引文格式不一定是100％准確.