Cita APA (7th ed.)

Rogers, R. G., & Gumuchdjian, P. (1998). Cities for a small planet. Westview.

Cita Chicago (17th ed.)

Rogers, Richard George, i Philip Gumuchdjian. Cities for a Small Planet. Boulder, Colo.: Westview, 1998.

Cita MLA (8th ed.)

Rogers, Richard George, i Philip Gumuchdjian. Cities for a Small Planet. Westview, 1998.