APA

Huxhold W. e., . (1991). An introduction to urban geographic information systems. New York: Oxford University Press.

Chicago

Huxhold William e, . 1991. An introduction to urban geographic information systems. New York: Oxford University Press.

Harvard

Huxhold W. e., . (1991). An introduction to urban geographic information systems. New York: Oxford University Press.

MLA

Huxhold William e, . An introduction to urban geographic information systems. New York: Oxford University Press. 1991.