APA

International Conference on Advances in Geographic Information Systems, Agrawal D., ACM Special Interest Group on Computer Graphics and Interactive Techniques & ACM Special Interest Group on Spatial Information. (2011). Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York, NY: ACM.

Chicago

International Conference on Advances in Geographic Information Systems, Agrawal Divyakant, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. 2011. Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York, NY: ACM.

Harvard

International Conference on Advances in Geographic Information Systems, Agrawal D., ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. (2011). Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York, NY: ACM.

MLA

International Conference on Advances in Geographic Information Systems, Agrawal Divyakant, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York, NY: ACM. 2011.