APA (7th ed.) Citation

Bröger, A. (1973). The caterpillar's story. Scroll Press.

Chicago Style (17th ed.) Citation

Bröger, Achim. The Caterpillar's Story. New York: Scroll Press, 1973.

MLA (9th ed.) Citation

Bröger, Achim. The Caterpillar's Story. Scroll Press, 1973.