Charpa, U. (2011). The Cambridge "Realgymnasiusm" and the "Freie Schule" London: Historical and philosophical remarks on Gerd Buchdahl and Karl R. Popper / Ulrich Charpa. Year Book / Leo Baeck Institute.
Citação do estilo Chicago (17ª ed.)Charpa, Ulrich. "The Cambridge "Realgymnasiusm" and the "Freie Schule" London: Historical and Philosophical Remarks on Gerd Buchdahl and Karl R. Popper / Ulrich Charpa." Year Book / Leo Baeck Institute 2011.
Citação MLA (8ª ed.)Charpa, Ulrich. "The Cambridge "Realgymnasiusm" and the "Freie Schule" London: Historical and Philosophical Remarks on Gerd Buchdahl and Karl R. Popper / Ulrich Charpa." Year Book / Leo Baeck Institute, 2011.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.