APA (7th ed.) Citation

Ahrens, H. L. (1864). Das Amt der Schlüssel. Rümpler.

Chicago Style (17th ed.) Citation

Ahrens, Heinrich Ludolf. Das Amt Der Schlüssel. Hannover: Rümpler, 1864.

MLA (9th ed.) Citation

Ahrens, Heinrich Ludolf. Das Amt Der Schlüssel. Rümpler, 1864.

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