Cita APA

Hubbard, R., Lewis, S., Smith, C., Godfrey, C., Smeeth, L., Farrington, P., & Britton, J. (2006). Use of nicotine replacement therapy and the risk of acute myocardial infarction, stroke, and death. BMJ Group.

Chicago Style Citation

Hubbard, R., S. Lewis, C. Smith, C. Godfrey, L. Smeeth, P. Farrington, i J. Britton. Use of Nicotine Replacement Therapy and the Risk of Acute Myocardial Infarction, Stroke, and Death. BMJ Group, 2006.

Cita MLA

Hubbard, R., et al. Use of Nicotine Replacement Therapy and the Risk of Acute Myocardial Infarction, Stroke, and Death. BMJ Group, 2006.