APA (7th ed.) Citation

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.

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.