Cita APA (7a ed.)

Bull, A., & Thomson, I. (2014). Urban traffic congestion: Its economic and social causes and consequences.

Cita Chicago Style (17a ed.)

Bull, Alberto, y Ian Thomson. Urban Traffic Congestion: Its Economic and Social Causes and Consequences. 2014.

Cita MLA (8a ed.)

Bull, Alberto, y Ian Thomson. Urban Traffic Congestion: Its Economic and Social Causes and Consequences. 2014.

Precaución: Estas citas no son 100% exactas.