APA Citatie

Hawkins, S. S., Chung-Hall, J., Craig, L., Fong, G. T., Borland, R., Cummings, K. M., . . . Hitchman, S. C. (2020). Support for Minimum Legal Sales Age Laws Set to Age 21 Across Australia, Canada, England, and United States: Findings From the 2018 ITC Four Country Smoking and Vaping Survey. Nicotine Tob Res.

Chicago Style citaat

Hawkins, Summer Sherburne, Janet Chung-Hall, Lorraine Craig, Geoffrey T. Fong, Ron Borland, K Michael Cummings, David Levy, en Sara C. Hitchman. "Support for Minimum Legal Sales Age Laws Set to Age 21 Across Australia, Canada, England, and United States: Findings From the 2018 ITC Four Country Smoking and Vaping Survey." Nicotine Tob Res 2020.

MLA citatie

Hawkins, Summer Sherburne, et al. "Support for Minimum Legal Sales Age Laws Set to Age 21 Across Australia, Canada, England, and United States: Findings From the 2018 ITC Four Country Smoking and Vaping Survey." Nicotine Tob Res 2020.