| APA | HGT. (2012, February 14). In Acronym Geek. Retrieved 19:37, February 14, 2012, from http://www.acronymgeek.com/HGT |
| MLA | "HGT." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HGT>. |
| MHRA | 'HGT', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HGT> [accessed 14 February 2012] |
| Chicago | "HGT", http://www.acronymgeek.com/HGT (accessed February 14, 2012). |
| CBE/CSE | HGT [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HGT. |
| Bluebook | HGT, http://www.acronymgeek.com/HGT (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGT, http://www.acronymgeek.com/HGT (optional description here) (as of Feb. 14, 2012, 19:37). |
| AMA | HGT. Acronym Geek. February 14, 2012, 19:37. Available at: http://www.acronymgeek.com/HGT. Accessed February 14, 2012, 19:37. |