| APA | HREG. (2012, February 16). In Acronym Geek. Retrieved 02:07, February 16, 2012, from http://www.acronymgeek.com/HREG |
| MLA | "HREG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HREG>. |
| MHRA | 'HREG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HREG> [accessed 16 February 2012] |
| Chicago | "HREG", http://www.acronymgeek.com/HREG (accessed February 16, 2012). |
| CBE/CSE | HREG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HREG. |
| Bluebook | HREG, http://www.acronymgeek.com/HREG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HREG, http://www.acronymgeek.com/HREG (optional description here) (as of Feb. 16, 2012, 02:07). |
| AMA | HREG. Acronym Geek. February 16, 2012, 02:07. Available at: http://www.acronymgeek.com/HREG. Accessed February 16, 2012, 02:07. |