APA

Landay J., Association for Computing Machinery, ACM Special Interest Group on Spatial Information, ACM Special Interest Group on Computer-Human Interaction & ACM Special Interest Group on Mobility of Systems U. D. a. C. (2011). Proceedings of the 13th international conference on Ubiquitous computing. New York, NY: ACM.

Chicago

Landay James, Association for Computing Machinery, ACM Special Interest Group on Spatial Information, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems Users Data and Computing. 2011. Proceedings of the 13th international conference on Ubiquitous computing. New York, NY: ACM.

Harvard

Landay J., Association for Computing Machinery, ACM Special Interest Group on Spatial Information, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems U. D. a. C. (2011). Proceedings of the 13th international conference on Ubiquitous computing. New York, NY: ACM.

MLA

Landay James, Association for Computing Machinery, ACM Special Interest Group on Spatial Information, ACM Special Interest Group on Computer-Human Interaction and ACM Special Interest Group on Mobility of Systems Users Data and Computing. Proceedings of the 13th international conference on Ubiquitous computing. New York, NY: ACM. 2011.