| APA | HROF. (2012, February 14). In Acronym Geek. Retrieved 14:12, February 14, 2012, from http://www.acronymgeek.com/HROF |
| MLA | "HROF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HROF>. |
| MHRA | 'HROF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HROF> [accessed 14 February 2012] |
| Chicago | "HROF", http://www.acronymgeek.com/HROF (accessed February 14, 2012). |
| CBE/CSE | HROF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HROF. |
| Bluebook | HROF, http://www.acronymgeek.com/HROF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HROF, http://www.acronymgeek.com/HROF (optional description here) (as of Feb. 14, 2012, 14:12). |
| AMA | HROF. Acronym Geek. February 14, 2012, 14:12. Available at: http://www.acronymgeek.com/HROF. Accessed February 14, 2012, 14:12. |