| APA | RCOS. (2012, February 14). In Acronym Geek. Retrieved 00:53, February 14, 2012, from http://www.acronymgeek.com/RCOS |
| MLA | "RCOS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/RCOS>. |
| MHRA | 'RCOS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/RCOS> [accessed 14 February 2012] |
| Chicago | "RCOS", http://www.acronymgeek.com/RCOS (accessed February 14, 2012). |
| CBE/CSE | RCOS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/RCOS. |
| Bluebook | RCOS, http://www.acronymgeek.com/RCOS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RCOS, http://www.acronymgeek.com/RCOS (optional description here) (as of Feb. 14, 2012, 00:53). |
| AMA | RCOS. Acronym Geek. February 14, 2012, 00:53. Available at: http://www.acronymgeek.com/RCOS. Accessed February 14, 2012, 00:53. |