APA (7th ed.) Citation

Keller, G. (1949). Spiegel, das Kätzchen. Fretz.

Chicago Style (17th ed.) Citation

Keller, Gottfried. Spiegel, Das Kätzchen. Zürich: Fretz, 1949.

MLA (9th ed.) Citation

Keller, Gottfried. Spiegel, Das Kätzchen. Fretz, 1949.

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