APA (7th ed.) Citation

Shirky, C. (2010). Cognitive surplus : creativity and generosity in a connected age / Clay Shirky: Creativity and generosity in a connected age. Allen Lane.

Chicago Style (17th ed.) Citation

Shirky, Clay. Cognitive Surplus : Creativity and Generosity in a Connected Age / Clay Shirky: Creativity and Generosity in a Connected Age. London: Allen Lane, 2010.

MLA (9th ed.) Citation

Shirky, Clay. Cognitive Surplus : Creativity and Generosity in a Connected Age / Clay Shirky: Creativity and Generosity in a Connected Age. Allen Lane, 2010.

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