Hugo Puttaert : Think in colour

MLA

Puttaert, Hugo, Steven Cleeren, and Rick Poynor. Hugo Puttaert : Think In Colour. .

APA

Puttaert, H., Cleeren, S., & Poynor, R. Hugo Puttaert : Think in colour. .

Chicago

Puttaert, Hugo., Steven Cleeren, and Rick Poynor. Hugo Puttaert: Think In Colour.