Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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