Magnus, R. (1949). Goethe as a scientist. H. Schuman.
Cita Chicago (17th ed.)Magnus, Rudolf. Goethe as a Scientist. New York: H. Schuman, 1949.
Cita MLA (8th ed.)Magnus, Rudolf. Goethe as a Scientist. H. Schuman, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.