Cita APA (7a ed.)
Halpern, D. (2015). Inside the nudge unit: How small changes can make a big difference. WH Allen.
Cita Chicago Style (17a ed.)
Halpern, David. Inside the Nudge Unit: How Small Changes Can Make a Big Difference. London: WH Allen, 2015.
Cita MLA (9a ed.)
Halpern, David. Inside the Nudge Unit: How Small Changes Can Make a Big Difference. WH Allen, 2015.
Precaución: Estas citas no son 100% exactas.