Cita APA (7th ed.)

Putnam, R. D. Bowling alone: The collapse and revival of american community. Simon and Schuster.

Cita Chicago (17th ed.)

Putnam, Robert D. Bowling Alone: The Collapse and Revival of American Community. New York (State): Simon and Schuster.

Cita MLA (9th ed.)

Putnam, Robert D. Bowling Alone: The Collapse and Revival of American Community. Simon and Schuster.