APA (7th ed.) Citation

Petzold, H. (1979). Rätsel um Delphine. Ziemsen.

Chicago Style (17th ed.) Citation

Petzold, Hans-Günter. Rätsel Um Delphine. Wittenberg: Ziemsen, 1979.

MLA (8th ed.) Citation

Petzold, Hans-Günter. Rätsel Um Delphine. Ziemsen, 1979.

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