APA (7th ed.) Citation

Hlavacs, G. (2014). The exceptionally simple theory of sketching : why do professional sketches look beautiful? / George Hlavacs: Why do professional sketches look beautiful? BIS Publishers.

Chicago Style (17th ed.) Citation

Hlavacs, George. The Exceptionally Simple Theory of Sketching : Why Do Professional Sketches Look Beautiful? / George Hlavacs: Why Do Professional Sketches Look Beautiful? Amsterdam: BIS Publishers, 2014.

MLA (9th ed.) Citation

Hlavacs, George. The Exceptionally Simple Theory of Sketching : Why Do Professional Sketches Look Beautiful? / George Hlavacs: Why Do Professional Sketches Look Beautiful? BIS Publishers, 2014.

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