APA aipamena

Speck, J. Walkable city: How downtown can save America, one step at a time (Primera edición.).

Chicago Style aipamena

Speck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. Primera edición.

MLA aipamena

Speck, Jeff. Walkable City: How Downtown Can Save America, One Step at a Time. Primera edición.