| APA | FEUN. (2012, February 16). In Acronym Geek. Retrieved 03:12, February 16, 2012, from http://www.acronymgeek.com/FEUN |
| MLA | "FEUN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FEUN>. |
| MHRA | 'FEUN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FEUN> [accessed 16 February 2012] |
| Chicago | "FEUN", http://www.acronymgeek.com/FEUN (accessed February 16, 2012). |
| CBE/CSE | FEUN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FEUN. |
| Bluebook | FEUN, http://www.acronymgeek.com/FEUN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FEUN, http://www.acronymgeek.com/FEUN (optional description here) (as of Feb. 16, 2012, 03:12). |
| AMA | FEUN. Acronym Geek. February 16, 2012, 03:12. Available at: http://www.acronymgeek.com/FEUN. Accessed February 16, 2012, 03:12. |