APA (7th ed.) Citation

Essex, H., Parrott, S., Wu, Q., Li, J., Cooper, S., & Coleman, T. (2014). Cost-effectiveness of nicotine patches for smoking cessation in pregnancy: A placebo randomised controlled trial (SNAP). Oxford University Press.

Chicago Style (17th ed.) Citation

Essex, Holly, Steve Parrott, Qi Wu, Jinshuo Li, Sue Cooper, and Tim Coleman. Cost-effectiveness of Nicotine Patches for Smoking Cessation in Pregnancy: A Placebo Randomised Controlled Trial (SNAP). Oxford University Press, 2014.

MLA (9th ed.) Citation

Essex, Holly, et al. Cost-effectiveness of Nicotine Patches for Smoking Cessation in Pregnancy: A Placebo Randomised Controlled Trial (SNAP). Oxford University Press, 2014.