| APA | COSK. (2012, February 16). In Acronym Geek. Retrieved 01:50, February 16, 2012, from http://www.acronymgeek.com/COSK |
| MLA | "COSK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/COSK>. |
| MHRA | 'COSK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/COSK> [accessed 16 February 2012] |
| Chicago | "COSK", http://www.acronymgeek.com/COSK (accessed February 16, 2012). |
| CBE/CSE | COSK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/COSK. |
| Bluebook | COSK, http://www.acronymgeek.com/COSK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COSK, http://www.acronymgeek.com/COSK (optional description here) (as of Feb. 16, 2012, 01:50). |
| AMA | COSK. Acronym Geek. February 16, 2012, 01:50. Available at: http://www.acronymgeek.com/COSK. Accessed February 16, 2012, 01:50. |