Cita APA (7a ed.)

Sargent, F. O., Lusk, P., Rivera, J. A., & Varela, M. (1991). Rural environmental planning for sustainable communities. Island.

Cita Chicago Style (17a ed.)

Sargent, Frederic O., Paul Lusk, José A. Rivera, y María Varela. Rural Environmental Planning for Sustainable Communities. Washington: Island, 1991.

Cita MLA (8a ed.)

Sargent, Frederic O., et al. Rural Environmental Planning for Sustainable Communities. Island, 1991.