توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Kahn, O. H. (1917). Prussianized Germany, Americans of foreign descent and America's cause; from an address before the Harrisburg, Pa., Chamber of commerce, september 26, 1917. Chicago.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Kahn, Otto Hermann. Prussianized Germany, Americans of Foreign Descent and America's Cause; from an Address Before the Harrisburg, Pa., Chamber of Commerce, September 26, 1917. Chicago, 1917.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Kahn, Otto Hermann. Prussianized Germany, Americans of Foreign Descent and America's Cause; from an Address Before the Harrisburg, Pa., Chamber of Commerce, September 26, 1917. Chicago, 1917.