Cita APA

Gehl, J. 1., & Gehl, J. 1. (2010). Cities for people. Washington: Island.

Citación estilo Chicago

Gehl, Jan 1936-, y Jan 1936- Gehl. Cities for People. Washington: Island, 2010.

Cita MLA

Gehl, Jan 1936-, y Jan 1936- Gehl. Cities for People. Washington: Island, 2010.