APA (7th ed.) Citation

Keller, A. Das Notgeld der deutschen Inflation 1923. Battenberg.

Chicago Style (17th ed.) Citation

Keller, Arnold. Das Notgeld Der Deutschen Inflation 1923. München: Battenberg.

MLA (9th ed.) Citation

Keller, Arnold. Das Notgeld Der Deutschen Inflation 1923. Battenberg.

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