APA (7th ed.) Citation

To, T., Fong, I., Zhu, J., McGihon, R., Zhang, K., & Terebessy, E. Effect of smoke-free legislation on respiratory health services use in children with asthma: A population-based open cohort study in Ontario, Canada. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

To, Teresa, Ivy Fong, Jingqin Zhu, Rachel McGihon, Kimball Zhang, and Emilie Terebessy. Effect of Smoke-free Legislation on Respiratory Health Services Use in Children with Asthma: A Population-based Open Cohort Study in Ontario, Canada. BMJ Publishing Group.

MLA (9th ed.) Citation

To, Teresa, et al. Effect of Smoke-free Legislation on Respiratory Health Services Use in Children with Asthma: A Population-based Open Cohort Study in Ontario, Canada. BMJ Publishing Group.