| APA | HXG. (2012, February 14). In Acronym Geek. Retrieved 20:47, February 14, 2012, from http://www.acronymgeek.com/HXG |
| MLA | "HXG." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HXG>. |
| MHRA | 'HXG', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HXG> [accessed 14 February 2012] |
| Chicago | "HXG", http://www.acronymgeek.com/HXG (accessed February 14, 2012). |
| CBE/CSE | HXG [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HXG. |
| Bluebook | HXG, http://www.acronymgeek.com/HXG (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HXG, http://www.acronymgeek.com/HXG (optional description here) (as of Feb. 14, 2012, 20:47). |
| AMA | HXG. Acronym Geek. February 14, 2012, 20:47. Available at: http://www.acronymgeek.com/HXG. Accessed February 14, 2012, 20:47. |