Santos-Silva, R., Castro, L. S., Taddei, J. A., Tufik, S., & Azeredo Bittencourt, L. R. (2012). Sleep Disorders and Demand for Medical Services: Evidence from a Population-Based Longitudinal Study. PLoS ONE, 7(2), 1. https://doi.org/10.1371/journal.pone.0030085
Chicago Style (17th ed.) CitationSantos-Silva, Rogerio, Laura Siqueira Castro, Jose Augusto Taddei, Sergio Tufik, and Lia Rita Azeredo Bittencourt. "Sleep Disorders and Demand for Medical Services: Evidence from a Population-Based Longitudinal Study." PLoS ONE 7, no. 2 (2012): 1. https://doi.org/10.1371/journal.pone.0030085.
MLA (9th ed.) CitationSantos-Silva, Rogerio, et al. "Sleep Disorders and Demand for Medical Services: Evidence from a Population-Based Longitudinal Study." PLoS ONE, vol. 7, no. 2, 2012, p. 1, https://doi.org/10.1371/journal.pone.0030085.