| APA | HGTC. (2012, February 15). In Acronym Geek. Retrieved 10:23, February 15, 2012, from http://www.acronymgeek.com/HGTC |
| MLA | "HGTC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HGTC>. |
| MHRA | 'HGTC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HGTC> [accessed 15 February 2012] |
| Chicago | "HGTC", http://www.acronymgeek.com/HGTC (accessed February 15, 2012). |
| CBE/CSE | HGTC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HGTC. |
| Bluebook | HGTC, http://www.acronymgeek.com/HGTC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGTC, http://www.acronymgeek.com/HGTC (optional description here) (as of Feb. 15, 2012, 10:23). |
| AMA | HGTC. Acronym Geek. February 15, 2012, 10:23. Available at: http://www.acronymgeek.com/HGTC. Accessed February 15, 2012, 10:23. |