| APA | HRRH. (2012, February 15). In Acronym Geek. Retrieved 20:15, February 15, 2012, from http://www.acronymgeek.com/HRRH |
| MLA | "HRRH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HRRH>. |
| MHRA | 'HRRH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HRRH> [accessed 15 February 2012] |
| Chicago | "HRRH", http://www.acronymgeek.com/HRRH (accessed February 15, 2012). |
| CBE/CSE | HRRH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HRRH. |
| Bluebook | HRRH, http://www.acronymgeek.com/HRRH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRRH, http://www.acronymgeek.com/HRRH (optional description here) (as of Feb. 15, 2012, 20:15). |
| AMA | HRRH. Acronym Geek. February 15, 2012, 20:15. Available at: http://www.acronymgeek.com/HRRH. Accessed February 15, 2012, 20:15. |