| APA | HUG. (2012, February 13). In Acronym Geek. Retrieved 22:44, February 13, 2012, from http://www.acronymgeek.com/HUG |
| MLA | "HUG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/HUG>. |
| MHRA | 'HUG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/HUG> [accessed 13 February 2012] |
| Chicago | "HUG", http://www.acronymgeek.com/HUG (accessed February 13, 2012). |
| CBE/CSE | HUG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/HUG. |
| Bluebook | HUG, http://www.acronymgeek.com/HUG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HUG, http://www.acronymgeek.com/HUG (optional description here) (as of Feb. 13, 2012, 22:44). |
| AMA | HUG. Acronym Geek. February 13, 2012, 22:44. Available at: http://www.acronymgeek.com/HUG. Accessed February 13, 2012, 22:44. |