| APA | FUN. (2012, February 14). In Acronym Geek. Retrieved 20:34, February 14, 2012, from http://www.acronymgeek.com/FUN |
| MLA | "FUN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/FUN>. |
| MHRA | 'FUN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/FUN> [accessed 14 February 2012] |
| Chicago | "FUN", http://www.acronymgeek.com/FUN (accessed February 14, 2012). |
| CBE/CSE | FUN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/FUN. |
| Bluebook | FUN, http://www.acronymgeek.com/FUN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FUN, http://www.acronymgeek.com/FUN (optional description here) (as of Feb. 14, 2012, 20:34). |
| AMA | FUN. Acronym Geek. February 14, 2012, 20:34. Available at: http://www.acronymgeek.com/FUN. Accessed February 14, 2012, 20:34. |