Cita APA (7a ed.)

Herbert, D. T., & Smith, D. M. (1979). Social problems and the city: Geographical perspectives. Oxford University Press.

Cita Chicago Style (17a ed.)

Herbert, David T., y David Marshall Smith. Social Problems and the City: Geographical Perspectives. Oxford; New York: Oxford University Press, 1979.

Cita MLA (9a ed.)

Herbert, David T., y David Marshall Smith. Social Problems and the City: Geographical Perspectives. Oxford University Press, 1979.