Cita APA (7a ed.)

Needham, B. (1977). How cities work: An introduction. Pergamon Press.

Cita Chicago Style (17a ed.)

Needham, Barrie. How Cities Work: An Introduction. Oxford ; Elmsford, N.Y.: Pergamon Press, 1977.

Cita MLA (8a ed.)

Needham, Barrie. How Cities Work: An Introduction. Pergamon Press, 1977.