APA (7th ed.) Citation
Fernández, E., & et al. (2017). Changes in secondhand smoke exposure after smoke-free legislation (Spain, 2006-2011).
Chicago Style (17th ed.) Citation
Fernández, E., and et al. Changes in Secondhand Smoke Exposure After Smoke-free Legislation (Spain, 2006-2011). 2017.
MLA (9th ed.) Citation
Fernández, E., and et al. Changes in Secondhand Smoke Exposure After Smoke-free Legislation (Spain, 2006-2011). 2017.
Warning: These citations may not always be 100% accurate.