APA (7th ed.) Citation

Butler, D., Willcocks, B., Sutton, D., Batt, J., Williams, G., Lloyd, C., . . . Mason, B. (2019). Letters. Computer Act!ve, 551, 12.

Chicago Style (17th ed.) Citation

Butler, Duncan, Brian Willcocks, Derek Sutton, Jonathan Batt, Gareth Williams, Colin Lloyd, Dave Knight, Colin Charles, and Bill Mason. "Letters." Computer Act!ve 551 (2019): 12.

MLA (9th ed.) Citation

Butler, Duncan, et al. "Letters." Computer Act!ve, 551, 2019, p. 12.