توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Cook, R. C. (1928). Who's who in American education: A biographical dictionary of eminent living educators of the United States. Who's who in American education.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Cook, Robert Cecil. Who's Who in American Education: A Biographical Dictionary of Eminent Living Educators of the United States. New York: Who's who in American education, 1928.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Cook, Robert Cecil. Who's Who in American Education: A Biographical Dictionary of Eminent Living Educators of the United States. Who's who in American education, 1928.