| APA | HGRL. (2012, February 15). In Acronym Geek. Retrieved 18:16, February 15, 2012, from http://www.acronymgeek.com/HGRL |
| MLA | "HGRL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HGRL>. |
| MHRA | 'HGRL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HGRL> [accessed 15 February 2012] |
| Chicago | "HGRL", http://www.acronymgeek.com/HGRL (accessed February 15, 2012). |
| CBE/CSE | HGRL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HGRL. |
| Bluebook | HGRL, http://www.acronymgeek.com/HGRL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGRL, http://www.acronymgeek.com/HGRL (optional description here) (as of Feb. 15, 2012, 18:16). |
| AMA | HGRL. Acronym Geek. February 15, 2012, 18:16. Available at: http://www.acronymgeek.com/HGRL. Accessed February 15, 2012, 18:16. |