MLA

Karat, John, et al. End User Development. Springer Netherlands, 2006.

APA

Karat, J., Lieberman, H., Vanderdonckt, J., PaternĂ², F., & Wulf, V. (2006). End User Development. Springer Netherlands.

Chicago

Karat, John, Henry Lieberman, Jean Vanderdonckt, Fabio PaternĂ², and Volker Wulf. End User Development. : Springer Netherlands, 2006.