Cita APA (7a ed.)

Huxhold, W. E. (1991). An Introduction to urban geographic information systems. Oxford University Press.

Cita Chicago Style (17a ed.)

Huxhold, William E. An Introduction to Urban Geographic Information Systems. New York [etc.]: Oxford University Press, 1991.

Cita MLA (9a ed.)

Huxhold, William E. An Introduction to Urban Geographic Information Systems. Oxford University Press, 1991.