| APA | CIOL. (2012, February 15). In Acronym Geek. Retrieved 23:43, February 15, 2012, from http://www.acronymgeek.com/CIOL |
| MLA | "CIOL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CIOL>. |
| MHRA | 'CIOL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CIOL> [accessed 15 February 2012] |
| Chicago | "CIOL", http://www.acronymgeek.com/CIOL (accessed February 15, 2012). |
| CBE/CSE | CIOL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CIOL. |
| Bluebook | CIOL, http://www.acronymgeek.com/CIOL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CIOL, http://www.acronymgeek.com/CIOL (optional description here) (as of Feb. 15, 2012, 23:43). |
| AMA | CIOL. Acronym Geek. February 15, 2012, 23:43. Available at: http://www.acronymgeek.com/CIOL. Accessed February 15, 2012, 23:43. |