APA Citatie

Cunningham, J. A. (2006). Barriers to tobacco cessation. Canadian Medical Association.

Chicago Style citaat

Cunningham, John A. Barriers to Tobacco Cessation. Canadian Medical Association, 2006.

MLA citatie

Cunningham, John A. Barriers to Tobacco Cessation. Canadian Medical Association, 2006.

Let op: Deze citaties zijn niet altijd 100% accuraat.