| APA | RD9. (2012, February 14). In Acronym Geek. Retrieved 19:39, February 14, 2012, from http://www.acronymgeek.com/RD9 |
| MLA | "RD9." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/RD9>. |
| MHRA | 'RD9', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/RD9> [accessed 14 February 2012] |
| Chicago | "RD9", http://www.acronymgeek.com/RD9 (accessed February 14, 2012). |
| CBE/CSE | RD9 [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/RD9. |
| Bluebook | RD9, http://www.acronymgeek.com/RD9 (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RD9, http://www.acronymgeek.com/RD9 (optional description here) (as of Feb. 14, 2012, 19:39). |
| AMA | RD9. Acronym Geek. February 14, 2012, 19:39. Available at: http://www.acronymgeek.com/RD9. Accessed February 14, 2012, 19:39. |