Cita APA (7a ed.)

Graham, T. C. N., & Graham,T. C. Nicholas Contributor. (2009). Proceedings of the 1st Acm Sigchi Symposium on Engineering Interactive Computing Systems. Association for Computing Machinery.

Cita Chicago Style (17a ed.)

Graham, T. C. Nicholas, y Graham,T. C. Nicholas Contributor. Proceedings of the 1st Acm Sigchi Symposium on Engineering Interactive Computing Systems. [Place of publication not identified]: Association for Computing Machinery, 2009.

Cita MLA (9a ed.)

Graham, T. C. Nicholas, y Graham,T. C. Nicholas Contributor. Proceedings of the 1st Acm Sigchi Symposium on Engineering Interactive Computing Systems. Association for Computing Machinery, 2009.