Cita APA

Beckinsale, R. P., & Houston, J. M. (1968). Urbanization and its problems. Oxford: Blackwell.

Citación estilo Chicago

Beckinsale, R. P., y J. M. Houston. Urbanization and Its Problems. Oxford: Blackwell, 1968.

Cita MLA

Beckinsale, R. P., y J. M. Houston. Urbanization and Its Problems. Oxford: Blackwell, 1968.