| APA | RS2D. (2012, February 12). In Acronym Geek. Retrieved 00:15, February 12, 2012, from http://www.acronymgeek.com/RS2D |
| MLA | "RS2D." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/RS2D>. |
| MHRA | 'RS2D', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/RS2D> [accessed 12 February 2012] |
| Chicago | "RS2D", http://www.acronymgeek.com/RS2D (accessed February 12, 2012). |
| CBE/CSE | RS2D [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/RS2D. |
| Bluebook | RS2D, http://www.acronymgeek.com/RS2D (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RS2D, http://www.acronymgeek.com/RS2D (optional description here) (as of Feb. 12, 2012, 00:15). |
| AMA | RS2D. Acronym Geek. February 12, 2012, 00:15. Available at: http://www.acronymgeek.com/RS2D. Accessed February 12, 2012, 00:15. |