APA Citation

Kobald, K. (1918). Erde. Zürich [u.a.]: Amalthea-Verl.

Chicago Style Citation

Kobald, Karl. Erde. Zürich [u.a.]: Amalthea-Verl, 1918.

MLA Citation

Kobald, Karl. Erde. Zürich [u.a.]: Amalthea-Verl, 1918.

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