Cita APA (7a ed.)

Green, A., & Owen, D. (1990). The development of a classification of travel-to-work areas. Pergamon Press.

Cita Chicago Style (17a ed.)

Green, A.E, y D.W Owen. The Development of a Classification of Travel-to-work Areas. Oxford: Pergamon Press, 1990.

Cita MLA (9a ed.)

Green, A.E, y D.W Owen. The Development of a Classification of Travel-to-work Areas. Pergamon Press, 1990.