توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Engel, D. World War I and its impact on the problem of security in Jewish history. World War I and the Jews : conflict and transformation in Europe, the Middle East, and America.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Engel, David. "World War I and Its Impact on the Problem of Security in Jewish History." World War I and the Jews : Conflict and Transformation in Europe, the Middle East, and America .

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Engel, David. "World War I and Its Impact on the Problem of Security in Jewish History." World War I and the Jews : Conflict and Transformation in Europe, the Middle East, and America, .