Cita APA

Kassim, S., Rogers, N., & Leach, K. (2014). The likelihood of khat chewing serving as a neglected and reverse ‘gateway’ to tobacco use among UK adult male khat chewers: A cross sectional study. BioMed Central.

Chicago Style Citation

Kassim, Saba, Nikki Rogers, i Kelly Leach. The Likelihood of Khat Chewing Serving As a Neglected and Reverse ‘gateway’ to Tobacco Use Among UK Adult Male Khat Chewers: A Cross Sectional Study. BioMed Central, 2014.

Cita MLA

Kassim, Saba, Nikki Rogers, i Kelly Leach. The Likelihood of Khat Chewing Serving As a Neglected and Reverse ‘gateway’ to Tobacco Use Among UK Adult Male Khat Chewers: A Cross Sectional Study. BioMed Central, 2014.