Cita APA (7a ed.)

Clarke, K. C., Parks, B. O., & Crane, M. P. (2002). GEOGRAPHIC information systems and environmental modeling. Prentice-Hall.

Cita Chicago Style (17a ed.)

Clarke, Keith C., Bradley O. Parks, y Michael P. Crane. GEOGRAPHIC Information Systems and Environmental Modeling. Upper Saddle River, N.J.: Prentice-Hall, 2002.

Cita MLA (8a ed.)

Clarke, Keith C., et al. GEOGRAPHIC Information Systems and Environmental Modeling. Prentice-Hall, 2002.