Byrd, D. R., Gee, G. C., & Tarraf, W. (2018). Black-white mental status trajectories: What ages do differences emerge? SSM Popul Health.
استشهاد بنمط شيكاغوByrd, DeAnnah R., Gilbert C. Gee, و Wassim Tarraf. "Black-white Mental Status Trajectories: What Ages Do Differences Emerge?" SSM Popul Health 2018.
MLA استشهادByrd, DeAnnah R., Gilbert C. Gee, و Wassim Tarraf. "Black-white Mental Status Trajectories: What Ages Do Differences Emerge?" SSM Popul Health 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.