APA (7th ed.) Citation

Hopf, A. (1848). Ritter Otto, der zerschmetternde Rächer.

Chicago Style (17th ed.) Citation

Hopf, Albert. Ritter Otto, Der Zerschmetternde Rächer. Berlin, 1848.

MLA (8th ed.) Citation

Hopf, Albert. Ritter Otto, Der Zerschmetternde Rächer. 1848.

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