Não informado. (1921). The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. Mississippi, Miss: State Plant Board of Mississippi, Agricultural College, 1921.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. The Quarterly Bulletin of the State Plant Board of Mississippi. State Plant Board of Mississippi, Agricultural College, 1921.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.