APA (7th ed.) Citation

Zimmermann, R. (2005). Small ideas that work. Bernard van Leer Foundation.

Chicago Style (17th ed.) Citation

Zimmermann, Robert. Small Ideas That Work. La Haya: Bernard van Leer Foundation, 2005.

MLA (9th ed.) Citation

Zimmermann, Robert. Small Ideas That Work. Bernard van Leer Foundation, 2005.