APA (7th ed.) Citation

(2002). Vogelstimmen ?: Rätsel. Ed. Ample.

Chicago Style (17th ed.) Citation

Vogelstimmen ?: Rätsel. Germering: Ed. Ample, 2002.

MLA (9th ed.) Citation

Vogelstimmen ?: Rätsel. Ed. Ample, 2002.

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