Cita APA (7a ed.)
Kassim, S., Jawad, M., Croucher, R., & Akl, E. A. (2015). The Epidemiology of Tobacco Use among Khat Users: A Systematic Review. BioMed Research International, 2015, 313692-313693.
Cita Chicago Style (17a ed.)
Kassim, Saba, Mohammed Jawad, Ray Croucher, y Elie A. Akl. "The Epidemiology of Tobacco Use Among Khat Users: A Systematic Review." BioMed Research International 2015 (2015): 313692-313693.
Cita MLA (9a ed.)
Kassim, Saba, et al. "The Epidemiology of Tobacco Use Among Khat Users: A Systematic Review." BioMed Research International, vol. 2015, 2015, pp. 313692-313693.
Precaución: Estas citas no son 100% exactas.