Putnam, R. D. (2001). Bowling alone: The collapse and revival of American community. Simon & Schuster.
Cita Chicago Style (17a ed.)Putnam, Robert D. Bowling Alone: The Collapse and Revival of American Community. New York: Simon & Schuster, 2001.
Cita MLA (8a ed.)Putnam, Robert D. Bowling Alone: The Collapse and Revival of American Community. Simon & Schuster, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.