| APA | COSR. (2012, February 17). In Acronym Geek. Retrieved 01:21, February 17, 2012, from http://www.acronymgeek.com/COSR |
| MLA | "COSR." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/COSR>. |
| MHRA | 'COSR', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/COSR> [accessed 17 February 2012] |
| Chicago | "COSR", http://www.acronymgeek.com/COSR (accessed February 17, 2012). |
| CBE/CSE | COSR [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/COSR. |
| Bluebook | COSR, http://www.acronymgeek.com/COSR (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COSR, http://www.acronymgeek.com/COSR (optional description here) (as of Feb. 17, 2012, 01:21). |
| AMA | COSR. Acronym Geek. February 17, 2012, 01:21. Available at: http://www.acronymgeek.com/COSR. Accessed February 17, 2012, 01:21. |