APA (7th ed.) Citation

Herold, G. (1986). Das gläserne Rätsel. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Herold, Gottfried. Das Gläserne Rätsel. Berlin: Kinderbuchverlag, 1986.

MLA (8th ed.) Citation

Herold, Gottfried. Das Gläserne Rätsel. Kinderbuchverlag, 1986.

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