| APA | HGRT. (2012, February 15). In Acronym Geek. Retrieved 00:25, February 15, 2012, from http://www.acronymgeek.com/HGRT |
| MLA | "HGRT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HGRT>. |
| MHRA | 'HGRT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HGRT> [accessed 15 February 2012] |
| Chicago | "HGRT", http://www.acronymgeek.com/HGRT (accessed February 15, 2012). |
| CBE/CSE | HGRT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HGRT. |
| Bluebook | HGRT, http://www.acronymgeek.com/HGRT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGRT, http://www.acronymgeek.com/HGRT (optional description here) (as of Feb. 15, 2012, 00:25). |
| AMA | HGRT. Acronym Geek. February 15, 2012, 00:25. Available at: http://www.acronymgeek.com/HGRT. Accessed February 15, 2012, 00:25. |