Cita APA

Longley, P. A., Goodchild, M. F., Maguire, D. J., & Rhind, D. W. (2015). Geographical information science and systems (Fourth edition.). Estados Unidos de América: John Wiley and Sons, Ltd.

Citación estilo Chicago

Longley, Paul A., Michael F. Goodchild, David J. Maguire, y David W. Rhind. Geographical Information Science and Systems. Fourth edition. Estados Unidos de América: John Wiley and Sons, Ltd, 2015.

Cita MLA

Longley, Paul A., Michael F. Goodchild, David J. Maguire, y David W. Rhind. Geographical Information Science and Systems. Fourth edition. Estados Unidos de América: John Wiley and Sons, Ltd, 2015.