Cita APA (7a ed.)

Sen, A. (2017). Collective choice and social welfare (Expanded edition.). Penguin Books.

Cita Chicago Style (17a ed.)

Sen, Amartya. Collective Choice and Social Welfare. Expanded edition. London: Penguin Books, 2017.

Cita MLA (9a ed.)

Sen, Amartya. Collective Choice and Social Welfare. Expanded edition. Penguin Books, 2017.