Cita APA (7a ed.)

Benfield, F. K., Raimi, M., & Chen, D. D. T. (2001). Once there were greenfields: How urban sprawl is undermining Americas's environment, economy, and social fabric. Natural Resources Defense Council [etc.].

Cita Chicago Style (17a ed.)

Benfield, F. Kaid, Matthew Raimi, y Donald D. T. Chen. Once There Were Greenfields: How Urban Sprawl Is Undermining Americas's Environment, Economy, and Social Fabric. New York [etc.]: Natural Resources Defense Council [etc.], 2001.

Cita MLA (9a ed.)

Benfield, F. Kaid, et al. Once There Were Greenfields: How Urban Sprawl Is Undermining Americas's Environment, Economy, and Social Fabric. Natural Resources Defense Council [etc.], 2001.