| APA | HGRM. (2012, February 16). In Acronym Geek. Retrieved 02:29, February 16, 2012, from http://www.acronymgeek.com/HGRM |
| MLA | "HGRM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HGRM>. |
| MHRA | 'HGRM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HGRM> [accessed 16 February 2012] |
| Chicago | "HGRM", http://www.acronymgeek.com/HGRM (accessed February 16, 2012). |
| CBE/CSE | HGRM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HGRM. |
| Bluebook | HGRM, http://www.acronymgeek.com/HGRM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGRM, http://www.acronymgeek.com/HGRM (optional description here) (as of Feb. 16, 2012, 02:29). |
| AMA | HGRM. Acronym Geek. February 16, 2012, 02:29. Available at: http://www.acronymgeek.com/HGRM. Accessed February 16, 2012, 02:29. |