APA
Purves R., Association for Computing Machinery-Digital Library & ACM Special Interest Group on Spatial Information. (2014). Proceedings of the 8th Workshop on Geographic Information Retrieval. New York, NY: ACM.
Chicago
Purves Ross, Association for Computing Machinery-Digital Library and ACM Special Interest Group on Spatial Information. 2014. Proceedings of the 8th Workshop on Geographic Information Retrieval. New York, NY: ACM.
Harvard
Purves R., Association for Computing Machinery-Digital Library and ACM Special Interest Group on Spatial Information. (2014). Proceedings of the 8th Workshop on Geographic Information Retrieval. New York, NY: ACM.
MLA
Purves Ross, Association for Computing Machinery-Digital Library and ACM Special Interest Group on Spatial Information. Proceedings of the 8th Workshop on Geographic Information Retrieval. New York, NY: ACM. 2014.