APA استشهاد

Williams, P. T. (2013). Walking and running are associated with similar reductions in cataract risk.

استشهاد بنمط شيكاغو

Williams, Paul T. Walking and Running Are Associated With Similar Reductions in Cataract Risk. 2013.

MLA استشهاد

Williams, Paul T. Walking and Running Are Associated With Similar Reductions in Cataract Risk. 2013.

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