APA (7th ed.) Citation

Richmond, R., Butler, T., Wilhelm, K., Wodak, A., Cunningham, M., & Anderson, I. (2009). Tobacco in prisons: A focus group study. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Richmond, R., Tony Butler, K. Wilhelm, A. Wodak, M. Cunningham, and I. Anderson. Tobacco in Prisons: A Focus Group Study. BMJ Publishing Group, 2009.

MLA (9th ed.) Citation

Richmond, R., et al. Tobacco in Prisons: A Focus Group Study. BMJ Publishing Group, 2009.