APA (7th ed.) Citation

X, G., KA, S., J, S., & SE, M. (2016). Do children who receive an 'early dose' of MMR vaccine during a measles outbreak return for their regularly scheduled dose? A retrospective population-based study. BMJ open, 6(8), e012803. https://doi.org/10.1136/bmjopen-2016-012803

Chicago Style (17th ed.) Citation

X, Guo, Simmonds KA, Svenson J, and MacDonald SE. "Do Children Who Receive an 'Early Dose' of MMR Vaccine During a Measles Outbreak Return for Their Regularly Scheduled Dose? A Retrospective Population-based Study." BMJ Open 6, no. 8 (2016): e012803. https://doi.org/10.1136/bmjopen-2016-012803.

MLA (9th ed.) Citation

X, Guo, et al. "Do Children Who Receive an 'Early Dose' of MMR Vaccine During a Measles Outbreak Return for Their Regularly Scheduled Dose? A Retrospective Population-based Study." BMJ Open, vol. 6, no. 8, 2016, p. e012803, https://doi.org/10.1136/bmjopen-2016-012803.