Cita APA

Silagy, C., Lancaster, T., Stead, L., Mant, D., & Fowler, G. (2002). Nicotine replacement therapy for smoking cessation.

Citación estilo Chicago

Silagy, C., T. Lancaster, L. Stead, D. Mant, and G. Fowler. Nicotine Replacement Therapy for Smoking Cessation. 2002.

Cita MLA

Silagy, C., et al. Nicotine Replacement Therapy for Smoking Cessation. 2002.