APA (7th ed.) Citation

ACM International Symposium on Advances in Geographic Information Systems, Association for Computing Machinery, & Aref, W. G. (2001). ACM-GIS 2001: Proceedings of the 9th ACM International Symposium on Advances in Geographic Information Systems, November 9-10, 2001, Atlanta, GA, USA. ACM.

Chicago Style (17th ed.) Citation

ACM International Symposium on Advances in Geographic Information Systems, Association for Computing Machinery, and Walid G. Aref. ACM-GIS 2001: Proceedings of the 9th ACM International Symposium on Advances in Geographic Information Systems, November 9-10, 2001, Atlanta, GA, USA. New York: ACM, 2001.

MLA (9th ed.) Citation

ACM International Symposium on Advances in Geographic Information Systems, et al. ACM-GIS 2001: Proceedings of the 9th ACM International Symposium on Advances in Geographic Information Systems, November 9-10, 2001, Atlanta, GA, USA. ACM, 2001.