Cita APA (7a ed.)

Angel, S., Civco, D. L., & Parent, J. (2010). The fragmentation of urban footprints: Global evidence of sprawl 1990-2000. Lincoln Institute of Land Policy.

Cita Chicago Style (17a ed.)

Angel, Shlomo, Daniel L. Civco, y Jason Parent. The Fragmentation of Urban Footprints: Global Evidence of Sprawl 1990-2000. Cambridge, Massachusetts: Lincoln Institute of Land Policy, 2010.

Cita MLA (9a ed.)

Angel, Shlomo, et al. The Fragmentation of Urban Footprints: Global Evidence of Sprawl 1990-2000. Lincoln Institute of Land Policy, 2010.