APA način citiranja

Sheffield, K. M., Han, Y., Kuo, Y., Riall, T. S., & Goodwin, J. S. (2013). Potentially Inappropriate Screening Colonoscopy in Medicare Patients: Variation by Provider and Geographic Region.

Čikaški stil citiranja

Sheffield, Kristin M., Yimei Han, Yong-Fang Kuo, Taylor S. Riall, i James S. Goodwin. Potentially Inappropriate Screening Colonoscopy in Medicare Patients: Variation By Provider and Geographic Region. 2013.

MLA način citiranja

Sheffield, Kristin M., et al. Potentially Inappropriate Screening Colonoscopy in Medicare Patients: Variation By Provider and Geographic Region. 2013.