APA استشهاد

Lieberman, D., Holub, J., Moravec, M., Eisen, G., Peters, D., & Morris, C. (2008). Prevalence of colon polyps detected by colonoscopy screening in asymptomatic black and white patients.

استشهاد بنمط شيكاغو

Lieberman, David, Jennifer Holub, Matthew Moravec, Glenn Eisen, Dawn Peters, و Cynthia Morris. Prevalence of Colon Polyps Detected By Colonoscopy Screening in Asymptomatic Black and White Patients. 2008.

MLA استشهاد

Lieberman, David, et al. Prevalence of Colon Polyps Detected By Colonoscopy Screening in Asymptomatic Black and White Patients. 2008.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.