Cita APA (7a ed.)

Bowen, J. (2010). The economic geography of air transportation: Space, time, and the freedom of the sky. Routledge.

Cita Chicago Style (17a ed.)

Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. London ; New York: Routledge, 2010.

Cita MLA (8a ed.)

Bowen, John. The Economic Geography of Air Transportation: Space, Time, and the Freedom of the Sky. Routledge, 2010.