APA
Maguire D. J., Goodchild M. F. & Rhind D. (1991). Geographical Information Systems: principles and applications. Harlow: Longman Scientific & Technical.
Chicago
Maguire David J, Goodchild Michael F and Rhind David. 1991. Geographical Information Systems: principles and applications. Harlow: Longman Scientific & Technical.
Harvard
Maguire D. J., Goodchild M. F. and Rhind D. (1991). Geographical Information Systems: principles and applications. Harlow: Longman Scientific & Technical.
MLA
Maguire David J, Goodchild Michael F and Rhind David. Geographical Information Systems: principles and applications. Harlow: Longman Scientific & Technical. 1991.