APA (7th ed.) Citation

Duff, L., & Sawdon, P. (2008). Drawing - the purpose / edited by Leo Duff and Phil Sawdon. Intellect Books.

Chicago Style (17th ed.) Citation

Duff, Leo, and Phil Sawdon. Drawing - the Purpose / Edited by Leo Duff and Phil Sawdon. Bristol ; Chicago, IL: Intellect Books, 2008.

MLA (9th ed.) Citation

Duff, Leo, and Phil Sawdon. Drawing - the Purpose / Edited by Leo Duff and Phil Sawdon. Intellect Books, 2008.

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