APA (7th ed.) Citation

Smith, A. L., Carter, S. M., Dunlop, S. M., Freeman, B., & Chapman, S. (2015). The views and experiences of smokers who quit smoking unassisted. A systematic review of the qualitative evidence. Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Smith, Andrea L., Stacy M. Carter, Sally M. Dunlop, Becky Freeman, and Simon Chapman. The Views and Experiences of Smokers Who Quit Smoking Unassisted. A Systematic Review of the Qualitative Evidence. Public Library of Science (PLoS), 2015.

MLA (9th ed.) Citation

Smith, Andrea L., et al. The Views and Experiences of Smokers Who Quit Smoking Unassisted. A Systematic Review of the Qualitative Evidence. Public Library of Science (PLoS), 2015.