APA

Wiegand N., 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 1st ACM SIGSPATIAL International Workshop on Spatial Semantics and Ontologies. New York, NY: ACM.

Chicago

Wiegand Nancy, 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 1st ACM SIGSPATIAL International Workshop on Spatial Semantics and Ontologies. New York, NY: ACM.

Harvard

Wiegand N., 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 1st ACM SIGSPATIAL International Workshop on Spatial Semantics and Ontologies. New York, NY: ACM.

MLA

Wiegand Nancy, 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 1st ACM SIGSPATIAL International Workshop on Spatial Semantics and Ontologies. New York, NY: ACM. 2011.