Wheaton, A. G., Ferro, G. A., & Croft, J. B. (2015). School Start Times for Middle School and High School Students — United States, 2011–12 School Year. MMWR Morb Mortal Wkly Rep.
Citação norma ChicagoWheaton, Anne G., Gabrielle A. Ferro, and Janet B. Croft. "School Start Times for Middle School and High School Students — United States, 2011–12 School Year." MMWR Morb Mortal Wkly Rep 2015.
Citação norma MLAWheaton, Anne G., Gabrielle A. Ferro, and Janet B. Croft. "School Start Times for Middle School and High School Students — United States, 2011–12 School Year." MMWR Morb Mortal Wkly Rep 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.