Simon, Karl. "Studien zur altfrankfurter Malerei". Band 34, edited by Henry Thode and Hhugo von Tschudi, Berlin, Boston: De Gruyter, 1968, pp. 333-350. https://doi.org/10.1515/9783111441825-020
Simon, K. (1968). Studien zur altfrankfurter Malerei. In H. Thode & H. Tschudi (Ed.), Band 34 (pp. 333-350). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783111441825-020
Simon, K. 1968. Studien zur altfrankfurter Malerei. In: Thode, H. and Tschudi, H. ed. Band 34. Berlin, Boston: De Gruyter, pp. 333-350. https://doi.org/10.1515/9783111441825-020
Simon, Karl. "Studien zur altfrankfurter Malerei" In Band 34 edited by Henry Thode and Hhugo von Tschudi, 333-350. Berlin, Boston: De Gruyter, 1968. https://doi.org/10.1515/9783111441825-020
Simon K. Studien zur altfrankfurter Malerei. In: Thode H, Tschudi H (ed.) Band 34. Berlin, Boston: De Gruyter; 1968. p.333-350. https://doi.org/10.1515/9783111441825-020