| APA | RDNU. (2012, February 17). In Acronym Geek. Retrieved 03:56, February 17, 2012, from http://www.acronymgeek.com/RDNU |
| MLA | "RDNU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/RDNU>. |
| MHRA | 'RDNU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/RDNU> [accessed 17 February 2012] |
| Chicago | "RDNU", http://www.acronymgeek.com/RDNU (accessed February 17, 2012). |
| CBE/CSE | RDNU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/RDNU. |
| Bluebook | RDNU, http://www.acronymgeek.com/RDNU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RDNU, http://www.acronymgeek.com/RDNU (optional description here) (as of Feb. 17, 2012, 03:56). |
| AMA | RDNU. Acronym Geek. February 17, 2012, 03:56. Available at: http://www.acronymgeek.com/RDNU. Accessed February 17, 2012, 03:56. |