| APA | U.K.. (2012, February 15). In Acronym Geek. Retrieved 09:24, February 15, 2012, from http://www.acronymgeek.com/U.K. |
| MLA | "U.K.." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/U.K.>. |
| MHRA | 'U.K.', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/U.K.> [accessed 15 February 2012] |
| Chicago | "U.K.", http://www.acronymgeek.com/U.K. (accessed February 15, 2012). |
| CBE/CSE | U.K. [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/U.K.. |
| Bluebook | U.K., http://www.acronymgeek.com/U.K. (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, U.K., http://www.acronymgeek.com/U.K. (optional description here) (as of Feb. 15, 2012, 09:24). |
| AMA | U.K.. Acronym Geek. February 15, 2012, 09:24. Available at: http://www.acronymgeek.com/U.K.. Accessed February 15, 2012, 09:24. |