APA (7th ed.) Citation

Troika (Firm), Freyer, C., Noel, S., & Rucki, E. (2009). Digital by design: Crafting technology for products and environments. Thames & Hudson.

Chicago Style (17th ed.) Citation

Troika (Firm), Conny Freyer, Sebastien Noel, and Eva Rucki. Digital by Design: Crafting Technology for Products and Environments. New York: Thames & Hudson, 2009.

MLA (9th ed.) Citation

Troika (Firm), et al. Digital by Design: Crafting Technology for Products and Environments. Thames & Hudson, 2009.