Robertson, R. (2001). Karl Beck: From Radicalism to Monarchism. Year Book / Leo Baeck Institute.
Style de citation Chicago (17e éd.)Robertson, Ritchie. "Karl Beck: From Radicalism to Monarchism." Year Book / Leo Baeck Institute 2001.
Style de citation MLA (8e éd.)Robertson, Ritchie. "Karl Beck: From Radicalism to Monarchism." Year Book / Leo Baeck Institute, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.