APA (7th ed.) Citation

Bielefeld, B., & Khouli, S. E. (2007). Design ideas. Birkhauser Springer [distributor].

Chicago Style (17th ed.) Citation

Bielefeld, Bert, and Sebastian El Khouli. Design Ideas. Basel Boston London: Birkhauser Springer [distributor], 2007.

MLA (9th ed.) Citation

Bielefeld, Bert, and Sebastian El Khouli. Design Ideas. Birkhauser Springer [distributor], 2007.