APA (7th ed.) Citation

Opelt, I. (1966). Eule (Uhu, Käuzchen).

Chicago Style (17th ed.) Citation

Opelt, Ilona. Eule (Uhu, Käuzchen). 1966.

MLA (9th ed.) Citation

Opelt, Ilona. Eule (Uhu, Käuzchen). 1966.

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