Real-world exposure to graphic warning labels on cigarette packages in US smokers: The CASA randomized trial protocol.

MLA

Pierce, John P., et al. “Real-World Exposure to Graphic Warning Labels on Cigarette Packages in US Smokers: The CASA Randomized Trial Protocol.” Contemporary Clinical Trials, vol. 98, Nov. 2020, p. 106152. EBSCOhost, https://doi.org/10.1016/j.cct.2020.106152.

APA

Pierce, J. P., Strong, D. R., Stone, M. D., Villaseñor, A., Dimofte, C. V., Leas, E. C., Oratowski, J., Brighton, E., Hurst, S., Pulvers, K., Kealey, S., Chen, R., & Messer, K. (2020). Real-world exposure to graphic warning labels on cigarette packages in US smokers: The CASA randomized trial protocol. Contemporary Clinical Trials, 98, 106152. https://doi.org/10.1016/j.cct.2020.106152

Chicago

Pierce, John P, David R Strong, Matthew D Stone, Adriana Villaseñor, Claudiu V Dimofte, Eric C Leas, Jesica Oratowski, et al. 2020. “Real-World Exposure to Graphic Warning Labels on Cigarette Packages in US Smokers: The CASA Randomized Trial Protocol.” Contemporary Clinical Trials 98 (November): 106152. doi:10.1016/j.cct.2020.106152.