APA (7th ed.) Citation

Eissen, K., & Steur, R. (2007). Sketching : drawing techniques for product designers / Koos Eissen and Roselien Steur: Drawing techniques for product designers. BIS.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.