APA (7th ed.) Citation

Eissen, K., & Steur, R. (2011). Sketching: The basics. BIS Publishers.

Chicago Style (17th ed.) Citation

Eissen, Koos, and Roselien Steur. Sketching: The Basics. Amsterdam: BIS Publishers, 2011.

MLA (9th ed.) Citation

Eissen, Koos, and Roselien Steur. Sketching: The Basics. BIS Publishers, 2011.

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