| APA | RDHO. (2012, February 16). In Acronym Geek. Retrieved 11:10, February 16, 2012, from http://www.acronymgeek.com/RDHO |
| MLA | "RDHO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/RDHO>. |
| MHRA | 'RDHO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/RDHO> [accessed 16 February 2012] |
| Chicago | "RDHO", http://www.acronymgeek.com/RDHO (accessed February 16, 2012). |
| CBE/CSE | RDHO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/RDHO. |
| Bluebook | RDHO, http://www.acronymgeek.com/RDHO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RDHO, http://www.acronymgeek.com/RDHO (optional description here) (as of Feb. 16, 2012, 11:10). |
| AMA | RDHO. Acronym Geek. February 16, 2012, 11:10. Available at: http://www.acronymgeek.com/RDHO. Accessed February 16, 2012, 11:10. |