APA (7th ed.) Citation

Böll, H., & Vennewitz, L. (1994). The clown. Penguin Books.

Chicago Style (17th ed.) Citation

Böll, Heinrich, and Leila Vennewitz. The Clown. New York: Penguin Books, 1994.

MLA (9th ed.) Citation

Böll, Heinrich, and Leila Vennewitz. The Clown. Penguin Books, 1994.

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