APA (7th ed.) Citation

Geiler, H., & Ritter, J. (1952). Buntes Schmetterlingsbüchlein (1.-15. Tausend.). Wunderlich.

Chicago Style (17th ed.) Citation

Geiler, Heinz, and Jürgen Ritter. Buntes Schmetterlingsbüchlein. 1.-15. Tausend. Leipzig: Wunderlich, 1952.

MLA (8th ed.) Citation

Geiler, Heinz, and Jürgen Ritter. Buntes Schmetterlingsbüchlein. 1.-15. Tausend. Wunderlich, 1952.

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