Grundmann, G. (1975). Der Maler Otto Heinsius. Schlesien.
Chicago Style CitationGrundmann, Günther. "Der Maler Otto Heinsius." Schlesien 1975.
MLA CitationGrundmann, Günther. "Der Maler Otto Heinsius." Schlesien 1975.
Warning: These citations may not always be 100% accurate.