| APA | GUK. (2012, February 14). In Acronym Geek. Retrieved 20:44, February 14, 2012, from http://www.acronymgeek.com/GUK |
| MLA | "GUK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GUK>. |
| MHRA | 'GUK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GUK> [accessed 14 February 2012] |
| Chicago | "GUK", http://www.acronymgeek.com/GUK (accessed February 14, 2012). |
| CBE/CSE | GUK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GUK. |
| Bluebook | GUK, http://www.acronymgeek.com/GUK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GUK, http://www.acronymgeek.com/GUK (optional description here) (as of Feb. 14, 2012, 20:44). |
| AMA | GUK. Acronym Geek. February 14, 2012, 20:44. Available at: http://www.acronymgeek.com/GUK. Accessed February 14, 2012, 20:44. |