APA Citation

Otterndorf, A., & Otterndorf, M. (1950). Sammlung Belgard-Schivelbein. [S.l.].

Chicago Style Citation

Otterndorf, Alma, and Margot Otterndorf. Sammlung Belgard-Schivelbein. [S.l.], 1950.

MLA Citation

Otterndorf, Alma, and Margot Otterndorf. Sammlung Belgard-Schivelbein. [S.l.], 1950.

Warning: These citations may not always be 100% accurate.