APA Citation

Maguire, D. J. (1991). Geographical information systems: Principles and....... Essex,england: Longman.

Chicago Style Citation

Maguire, David J. Geographical Information Systems: Principles And....... Essex,england: Longman, 1991.

MLA Citation

Maguire, David J. Geographical Information Systems: Principles And....... Essex,england: Longman, 1991.

Warning: These citations may not always be 100% accurate.