APA引文

Charlton, A., & Blair, V. (1989). Absence from school related to children's and parental smoking habits.

Citação norma Chicago

Charlton, A., and V. Blair. Absence From School Related to Children's and Parental Smoking Habits. 1989.

MLA引文

Charlton, A., and V. Blair. Absence From School Related to Children's and Parental Smoking Habits. 1989.

警告：這些引文格式不一定是100％准確.