APA (7th ed.) Citation

Eissen, K., & Steur, R. (2007). Sketching: Drawing techniques for product designers. Bis.

Chicago Style (17th ed.) Citation

Eissen, Koos, and Roselien Steur. Sketching: Drawing Techniques for Product Designers. Amsterdam: Bis, 2007.

MLA (9th ed.) Citation

Eissen, Koos, and Roselien Steur. Sketching: Drawing Techniques for Product Designers. Bis, 2007.