Poppel, S. M. (1972). Salman Schocken and the Schocken Verlag: Stephen M. Poppel. Year Book / Leo Baeck Institute.
Cita Chicago Style (17a ed.)Poppel, Stephen M. "Salman Schocken and the Schocken Verlag: Stephen M. Poppel." Year Book / Leo Baeck Institute 1972.
Cita MLA (8a ed.)Poppel, Stephen M. "Salman Schocken and the Schocken Verlag: Stephen M. Poppel." Year Book / Leo Baeck Institute, 1972.
Precaución: Estas citas no son 100% exactas.