Kahn, L. (1973). Ludwig Robert: Rahel's brother. Year Book / Leo Baeck Institute.
Čikaški stil citiranja (17. izdanje)Kahn, Lothar. "Ludwig Robert: Rahel's Brother." Year Book / Leo Baeck Institute 1973.
MLA način citiranja (8. izdanje)Kahn, Lothar. "Ludwig Robert: Rahel's Brother." Year Book / Leo Baeck Institute, 1973.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.