توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Greene, G. W. (1850). History and geography of the middle ages: For colleges and schools (chiefly from the French). D. Appleton & Co..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Greene, George Washington. History and Geography of the Middle Ages: For Colleges and Schools (chiefly from the French). New York: D. Appleton & Co., 1850.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Greene, George Washington. History and Geography of the Middle Ages: For Colleges and Schools (chiefly from the French). D. Appleton & Co., 1850.