APA (7th ed.) Citation

Reas, C., & Fry, B. (2007). Processing: A programming handbook for visual designers and artists. MIT.

Chicago Style (17th ed.) Citation

Reas, Casey, and Ben Fry. Processing: A Programming Handbook for Visual Designers and Artists. Cambridge (Massachusetts) [etc.]: MIT, 2007.

MLA (9th ed.) Citation

Reas, Casey, and Ben Fry. Processing: A Programming Handbook for Visual Designers and Artists. MIT, 2007.