APA aipamena

Vaz, L., Leonardi-Bee, J., Aveyard, P., Cooper, S., Grainge, M., Coleman, T., & Tobacco, S. f. R. o. N. a. (2014). Factors associated with smoking cessation in early and late pregnancy in the smoking, nicotine, and pregnancy trial: A trial of nicotine replacement therapy. Oxford University Press.

Chicago Style aipamena

Vaz, L., J. Leonardi-Bee, P. Aveyard, S. Cooper, M. Grainge, T. Coleman, and Society for Research on Nicotine and Tobacco. Factors Associated with Smoking Cessation in Early and Late Pregnancy in the Smoking, Nicotine, and Pregnancy Trial: A Trial of Nicotine Replacement Therapy. Oxford University Press, 2014.

MLA aipamena

Vaz, L., et al. Factors Associated with Smoking Cessation in Early and Late Pregnancy in the Smoking, Nicotine, and Pregnancy Trial: A Trial of Nicotine Replacement Therapy. Oxford University Press, 2014.