| APA | CU.. (2012, February 11). In Acronym Geek. Retrieved 23:00, February 11, 2012, from http://www.acronymgeek.com/CU. |
| MLA | "CU.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/CU.>. |
| MHRA | 'CU.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/CU.> [accessed 11 February 2012] |
| Chicago | "CU.", http://www.acronymgeek.com/CU. (accessed February 11, 2012). |
| CBE/CSE | CU. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/CU.. |
| Bluebook | CU., http://www.acronymgeek.com/CU. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CU., http://www.acronymgeek.com/CU. (optional description here) (as of Feb. 11, 2012, 23:00). |
| AMA | CU.. Acronym Geek. February 11, 2012, 23:00. Available at: http://www.acronymgeek.com/CU.. Accessed February 11, 2012, 23:00. |