The German American Historical Society. (1918). German American annals: Continuation of the quarterly Americana Germanica : a bi-monthly devoted to the comparative study of the historical, literary, linguistic, educational and commercial relations. The German American Historical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The German American Historical Society. German American Annals: Continuation of the Quarterly Americana Germanica : A Bi-monthly Devoted to the Comparative Study of the Historical, Literary, Linguistic, Educational and Commercial Relations. Philadelphia [u.a.]: The German American Historical Society, 1918.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)The German American Historical Society. German American Annals: Continuation of the Quarterly Americana Germanica : A Bi-monthly Devoted to the Comparative Study of the Historical, Literary, Linguistic, Educational and Commercial Relations. The German American Historical Society, 1918.