APA (7th ed.) Citation

HG, W., SM, S., DJ, G., JS, S., & JE, W. (2011). Geographic variation in diagnosis frequency and risk of death among Medicare beneficiaries. JAMA, 305(11), 1113. https://doi.org/10.1001/jama.2011.307

Chicago Style (17th ed.) Citation

HG, Welch, Sharp SM, Gottlieb DJ, Skinner JS, and Wennberg JE. "Geographic Variation in Diagnosis Frequency and Risk of Death Among Medicare Beneficiaries." JAMA 305, no. 11 (2011): 1113. https://doi.org/10.1001/jama.2011.307.

MLA (9th ed.) Citation

HG, Welch, et al. "Geographic Variation in Diagnosis Frequency and Risk of Death Among Medicare Beneficiaries." JAMA, vol. 305, no. 11, 2011, p. 1113, https://doi.org/10.1001/jama.2011.307.