Cita APA (7th ed.)

Aveyard, P., Parsons, A., & Begh, R. (2009). Smoking cessation 2: Nicotine replacement therapy - new tricks with old drugs.

Cita Chicago (17th ed.)

Aveyard, P., A. Parsons, i R. Begh. Smoking Cessation 2: Nicotine Replacement Therapy - New Tricks with Old Drugs. 2009.

Cita MLA (9th ed.)

Aveyard, P., et al. Smoking Cessation 2: Nicotine Replacement Therapy - New Tricks with Old Drugs. 2009.