Cita APA (7th ed.)
Filippidis, F., & et al. (2016). Two-year trends and predictors of e-cigarette use in 27 European Union member states. https://doi.org/10.1136/tobaccocontrol-2015-052771
Cita Chicago (17th ed.)
Filippidis, F., i et al. Two-year Trends and Predictors of E-cigarette Use in 27 European Union Member States. 2016. https://doi.org/10.1136/tobaccocontrol-2015-052771.
Cita MLA (9th ed.)
Filippidis, F., i et al. Two-year Trends and Predictors of E-cigarette Use in 27 European Union Member States. 2016. https://doi.org/10.1136/tobaccocontrol-2015-052771.
Atenció: Aquestes cites poden no estar 100% correctes.