| APA | HRRV. (2012, February 16). In Acronym Geek. Retrieved 16:21, February 16, 2012, from http://www.acronymgeek.com/HRRV |
| MLA | "HRRV." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HRRV>. |
| MHRA | 'HRRV', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HRRV> [accessed 16 February 2012] |
| Chicago | "HRRV", http://www.acronymgeek.com/HRRV (accessed February 16, 2012). |
| CBE/CSE | HRRV [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HRRV. |
| Bluebook | HRRV, http://www.acronymgeek.com/HRRV (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRRV, http://www.acronymgeek.com/HRRV (optional description here) (as of Feb. 16, 2012, 16:21). |
| AMA | HRRV. Acronym Geek. February 16, 2012, 16:21. Available at: http://www.acronymgeek.com/HRRV. Accessed February 16, 2012, 16:21. |