APA (7th ed.) Citation

Longley, P., Goodchild, M. F., & Maguire, D. J. (2015). Geographic information science & systems (Fourth edition.). Wiley.

Chicago Style (17th ed.) Citation

Longley, Paul, Michael F. Goodchild, and D. J. Maguire. Geographic Information Science & Systems. Fourth edition. Hoboken, N. J: Wiley, 2015.

MLA (9th ed.) Citation

Longley, Paul, et al. Geographic Information Science & Systems. Fourth edition. Wiley, 2015.