Cita APA

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

Citación estilo Chicago

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

Cita MLA

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

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