APA (7th ed.) Citation

Fränkel, Bergemann & Co. (1930). Verbesserte Muldenrost. [s.n..

Chicago Style (17th ed.) Citation

Fränkel, Bergemann & Co. Verbesserte Muldenrost. Köthen: [s.n., 1930.

MLA (9th ed.) Citation

Fränkel, Bergemann & Co. Verbesserte Muldenrost. [s.n., 1930.