Archer, H., Brown, K., Croswell, P. L., & Kevany, M. J. (1991). Geographic information systems: A guide to the technology. Van Nostrand Reinhold.
Chicago Style (17th ed.) CitationArcher, Hugh, Kay Brown, Peter L. Croswell, and Michael J. Kevany. Geographic Information Systems: A Guide to the Technology. New York: Van Nostrand Reinhold, 1991.
MLA (9th ed.) CitationArcher, Hugh, et al. Geographic Information Systems: A Guide to the Technology. Van Nostrand Reinhold, 1991.
Warning: These citations may not always be 100% accurate.