APA

UbiComp '09, Association for Computing Machinery & Association for Computing Machinery. (2009). Proceedings of the 11th ACM International Conference on Ubiquitous Computing. New York: Association for Computing Machinery.

Chicago

UbiComp '09, Association for Computing Machinery and Association for Computing Machinery. 2009. Proceedings of the 11th ACM International Conference on Ubiquitous Computing. New York: Association for Computing Machinery.

Harvard

UbiComp '09, Association for Computing Machinery and Association for Computing Machinery. (2009). Proceedings of the 11th ACM International Conference on Ubiquitous Computing. New York: Association for Computing Machinery.

MLA

UbiComp '09, Association for Computing Machinery and Association for Computing Machinery. Proceedings of the 11th ACM International Conference on Ubiquitous Computing. New York: Association for Computing Machinery. 2009.