APA

Jensen C. S., Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques & ACM Special Interest Group on Spatial Information. (2011). Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks. New York, NY: ACM.

Chicago

Jensen Christian S, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. 2011. Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks. New York, NY: ACM.

Harvard

Jensen C. S., Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. (2011). Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks. New York, NY: ACM.

MLA

Jensen Christian S, Association for Computing Machinery, ACM Special Interest Group on Computer Graphics and Interactive Techniques and ACM Special Interest Group on Spatial Information. Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Location-Based Social Networks. New York, NY: ACM. 2011.