APA ציטוט

Thompson, M. E., & Forbes, W. F. (1984). Costs and "benefits" of cigarette smoking [letter].

Citação norma Chicago

Thompson, M. E., and W. F. Forbes. Costs and "benefits" of Cigarette Smoking [letter]. 1984.

ציטוט MLA

Thompson, M. E., and W. F. Forbes. Costs and "benefits" of Cigarette Smoking [letter]. 1984.