Cita APA (7th ed.)

Huxhold, W. E. (1991). An Introduction to Urban Geographic Information Systems. Oxford University Press.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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