Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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