| APA | RGS. (2012, February 13). In Acronym Geek. Retrieved 22:50, February 13, 2012, from http://www.acronymgeek.com/RGS |
| MLA | "RGS." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/RGS>. |
| MHRA | 'RGS', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/RGS> [accessed 13 February 2012] |
| Chicago | "RGS", http://www.acronymgeek.com/RGS (accessed February 13, 2012). |
| CBE/CSE | RGS [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/RGS. |
| Bluebook | RGS, http://www.acronymgeek.com/RGS (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RGS, http://www.acronymgeek.com/RGS (optional description here) (as of Feb. 13, 2012, 22:50). |
| AMA | RGS. Acronym Geek. February 13, 2012, 22:50. Available at: http://www.acronymgeek.com/RGS. Accessed February 13, 2012, 22:50. |