| APA | COSP. (2012, February 16). In Acronym Geek. Retrieved 09:58, February 16, 2012, from http://www.acronymgeek.com/COSP |
| MLA | "COSP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/COSP>. |
| MHRA | 'COSP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/COSP> [accessed 16 February 2012] |
| Chicago | "COSP", http://www.acronymgeek.com/COSP (accessed February 16, 2012). |
| CBE/CSE | COSP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/COSP. |
| Bluebook | COSP, http://www.acronymgeek.com/COSP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COSP, http://www.acronymgeek.com/COSP (optional description here) (as of Feb. 16, 2012, 09:58). |
| AMA | COSP. Acronym Geek. February 16, 2012, 09:58. Available at: http://www.acronymgeek.com/COSP. Accessed February 16, 2012, 09:58. |