| APA | CUOL. (2012, February 14). In Acronym Geek. Retrieved 08:31, February 14, 2012, from http://www.acronymgeek.com/CUOL |
| MLA | "CUOL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/CUOL>. |
| MHRA | 'CUOL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/CUOL> [accessed 14 February 2012] |
| Chicago | "CUOL", http://www.acronymgeek.com/CUOL (accessed February 14, 2012). |
| CBE/CSE | CUOL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/CUOL. |
| Bluebook | CUOL, http://www.acronymgeek.com/CUOL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CUOL, http://www.acronymgeek.com/CUOL (optional description here) (as of Feb. 14, 2012, 08:31). |
| AMA | CUOL. Acronym Geek. February 14, 2012, 08:31. Available at: http://www.acronymgeek.com/CUOL. Accessed February 14, 2012, 08:31. |