एपीए उद्धरण

Shirky, C. (2010). Cognitive surplus: Creativity and generosity in a connected age : how technology makes consumers into collaborators. New York: Penguin Press.

शिकागो स्टाइल उद्धरण

Shirky, Clay. Cognitive Surplus: Creativity and Generosity in a Connected Age : How Technology Makes Consumers Into Collaborators. New York: Penguin Press, 2010.

एमएलए उद्धरण

Shirky, Clay. Cognitive Surplus: Creativity and Generosity in a Connected Age : How Technology Makes Consumers Into Collaborators. New York: Penguin Press, 2010.