APA

Graham T. C. N., Association for Computing Machinery & ACM Special Interest Group on Computer-Human Interaction. (2009). Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems. New York, NY: ACM.

Chicago

Graham T C Nicholas, Association for Computing Machinery and ACM Special Interest Group on Computer-Human Interaction. 2009. Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems. New York, NY: ACM.

Harvard

Graham T. C. N., Association for Computing Machinery and ACM Special Interest Group on Computer-Human Interaction. (2009). Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems. New York, NY: ACM.

MLA

Graham T C Nicholas, Association for Computing Machinery and ACM Special Interest Group on Computer-Human Interaction. Proceedings of the 1st ACM SIGCHI symposium on Engineering interactive computing systems. New York, NY: ACM. 2009.