APA (7th ed.) Citation

Hajek, P., Stead, L., West, R., & Jarvis, M. (2005). Relapse prevention interventions for smoking cessation.

Chicago Style (17th ed.) Citation

Hajek, P., L. Stead, R. West, and M. Jarvis. Relapse Prevention Interventions for Smoking Cessation. 2005.

MLA (9th ed.) Citation

Hajek, P., et al. Relapse Prevention Interventions for Smoking Cessation. 2005.