| APA | CUPO. (2012, February 16). In Acronym Geek. Retrieved 03:16, February 16, 2012, from http://www.acronymgeek.com/CUPO |
| MLA | "CUPO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CUPO>. |
| MHRA | 'CUPO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CUPO> [accessed 16 February 2012] |
| Chicago | "CUPO", http://www.acronymgeek.com/CUPO (accessed February 16, 2012). |
| CBE/CSE | CUPO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CUPO. |
| Bluebook | CUPO, http://www.acronymgeek.com/CUPO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CUPO, http://www.acronymgeek.com/CUPO (optional description here) (as of Feb. 16, 2012, 03:16). |
| AMA | CUPO. Acronym Geek. February 16, 2012, 03:16. Available at: http://www.acronymgeek.com/CUPO. Accessed February 16, 2012, 03:16. |