APA
Thaler R. H., Sustein C. R., . (2009). Nudge: Improving decisions about health, wealth and happines. New Delhi: Penguin.
Chicago
Thaler Richard H, Sustein Cass R, . 2009. Nudge: Improving decisions about health, wealth and happines. New Delhi: Penguin.
Harvard
Thaler R. H., Sustein C. R., . (2009). Nudge: Improving decisions about health, wealth and happines. New Delhi: Penguin.
MLA
Thaler Richard H, Sustein Cass R, . Nudge: Improving decisions about health, wealth and happines. New Delhi: Penguin. 2009.