Cita APA (7a ed.)

Richards, J. (2013). Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. John Wiley & Sons, Incorporated.

Cita Chicago Style (17a ed.)

Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. Newark: John Wiley & Sons, Incorporated, 2013.

Cita MLA (8a ed.)

Richards, James. Freehand Drawing and Discovery: Urban Sketching and Concept Drawing for Designers. John Wiley & Sons, Incorporated, 2013.