Παραπομπή σε μορφή APA (7η εκδ.)

Hope, A., & Nagler, J. (1991). Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. German Historical Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hope, Anne, και Jörg Nagler. Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. Washington, D.C.: German Historical Institute, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hope, Anne, και Jörg Nagler. Guide to German Historical Sources in North American Libraries and Archives: Anne Hope, Jörg Nagler. German Historical Institute, 1991.