APA استشهاد

Kowalec, K., McKay, K. A., Patten, S. B., Fisk, J. D., Evans, C., Tremlett, H., & Marrie, R. A. (2017). Comorbidity increases the risk of relapse in multiple sclerosis: A prospective study. Neurology.

استشهاد بنمط شيكاغو

Kowalec, Kaarina, Kyla A. McKay, Scott B. Patten, John D. Fisk, Charity Evans, Helen Tremlett, و Ruth Ann Marrie. "Comorbidity Increases the Risk of Relapse in Multiple Sclerosis: A Prospective Study." Neurology 2017.

MLA استشهاد

Kowalec, Kaarina, et al. "Comorbidity Increases the Risk of Relapse in Multiple Sclerosis: A Prospective Study." Neurology 2017.

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