Prototyping

MLA

Warfel, Todd Zaki, and Dave Gary. Prototyping : a Practitioner's Guide. Brooklyn: Rosenfeld Media, 2009.

APA

Warfel, T. Zaki, & Gary, D. (2009). Prototyping : a practitioner's guide. Brooklyn: Rosenfeld Media.

Chicago

Warfel, Todd Zaki., and Dave Gary. Prototyping: A Practitioner's Guide. Brooklyn: Rosenfeld Media, 2009.