APA Style

Banerjee, A, V., Duflo, E. (2012). Poor Economics: Barefoot Hedge-fund Managers, DIY Doctors and the Surprising Truth About Life on Less Than 1$ a Day . London: Penguin Books.

MLA Style

Banerjee, Abhijit, V.., Duflo, Esther. "Poor Economics: Barefoot Hedge-fund Managers, DIY Doctors and the Surprising Truth About Life on Less Than 1$ a Day". London: Penguin Books, 2012. Text.