APA (7th ed.) Citation

Robertson, S., & Bertling, T. (2013). How to draw: Drawing and sketching objects and environments from your imagination. Design Studio Press.

Chicago Style (17th ed.) Citation

Robertson, Scott, and Thomas Bertling. How to Draw: Drawing and Sketching Objects and Environments from Your Imagination. Culver City, California: Design Studio Press, 2013.

MLA (9th ed.) Citation

Robertson, Scott, and Thomas Bertling. How to Draw: Drawing and Sketching Objects and Environments from Your Imagination. Design Studio Press, 2013.