APA (7th ed.) Citation

MS, K., TF, B., AD, F., & S, K. (2011). 'Top 5' lists top $5 billion. Archives of Internal Medicine, 171(20), 1856. https://doi.org/10.1001/archinternmed.2011.501

Chicago Style (17th ed.) Citation

MS, Kale, Bishop TF, Federman AD, and Keyhani S. "'Top 5' Lists Top $5 Billion." Archives of Internal Medicine 171, no. 20 (2011): 1856. https://doi.org/10.1001/archinternmed.2011.501.

MLA (9th ed.) Citation

MS, Kale, et al. "'Top 5' Lists Top $5 Billion." Archives of Internal Medicine, vol. 171, no. 20, 2011, p. 1856, https://doi.org/10.1001/archinternmed.2011.501.