APA (7th ed.) Citation

(2009). Location Based Social Networks: Proceedings of the ... ACM SIGSPATIAL International Workshop on Location-Based Social Networks. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

Location Based Social Networks: Proceedings of the ... ACM SIGSPATIAL International Workshop on Location-Based Social Networks. New York, NY: Association for Computing Machinery, 2009.

MLA (9th ed.) Citation

Location Based Social Networks: Proceedings of the ... ACM SIGSPATIAL International Workshop on Location-Based Social Networks. Association for Computing Machinery, 2009.