APA ציטוט

Cahill, K., & Perera, R. (2011). Competitions and incentives for smoking cessation.

Chicago Style (17th ed.) Citation

Cahill, K., and R. Perera. Competitions and Incentives for Smoking Cessation. 2011.

ציטוט MLA

Cahill, K., and R. Perera. Competitions and Incentives for Smoking Cessation. 2011.