APA استشهاد

Bollet, A. J. (1992). Politics and pellagra: The epidemic of pellagra in the U.S. in the early twentieth century. Yale Journal of Biology and Medicine.

استشهاد بنمط شيكاغو

Bollet, A. J. Politics and Pellagra: The Epidemic of Pellagra in the U.S. in the Early Twentieth Century. Yale Journal of Biology and Medicine, 1992.

MLA استشهاد

Bollet, A. J. Politics and Pellagra: The Epidemic of Pellagra in the U.S. in the Early Twentieth Century. Yale Journal of Biology and Medicine, 1992.

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