Cita APA (7a ed.)

Mackay, W., Mackay, W. C., & Brewster, S. C. (2013). CHI 2013: Extended abstracts of the 31st Annual CHI Conference on Human Factors in Computing Systems : 27 April - 2 May 2013, Paris, France. ACM.

Cita Chicago Style (17a ed.)

Mackay, Wendy, Wendy Contributor Mackay, y Stephen Contributor Brewster. CHI 2013: Extended Abstracts of the 31st Annual CHI Conference on Human Factors in Computing Systems : 27 April - 2 May 2013, Paris, France. [Place of publication not identified]: ACM, 2013.

Cita MLA (9a ed.)

Mackay, Wendy, et al. CHI 2013: Extended Abstracts of the 31st Annual CHI Conference on Human Factors in Computing Systems : 27 April - 2 May 2013, Paris, France. ACM, 2013.