Cita APA (7a ed.)

Witherick, M., Adams, K., & Warn, S. (2006). Cities & urbanisation. Philip Allan Updates.

Cita Chicago Style (17a ed.)

Witherick, Michael, Kim Adams, y Sue Warn. Cities & Urbanisation. Deddington, Oxfordshire: Philip Allan Updates, 2006.

Cita MLA (9a ed.)

Witherick, Michael, et al. Cities & Urbanisation. Philip Allan Updates, 2006.