| APA | CSUO. (2012, February 17). In Acronym Geek. Retrieved 02:58, February 17, 2012, from http://www.acronymgeek.com/CSUO |
| MLA | "CSUO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/CSUO>. |
| MHRA | 'CSUO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/CSUO> [accessed 17 February 2012] |
| Chicago | "CSUO", http://www.acronymgeek.com/CSUO (accessed February 17, 2012). |
| CBE/CSE | CSUO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/CSUO. |
| Bluebook | CSUO, http://www.acronymgeek.com/CSUO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CSUO, http://www.acronymgeek.com/CSUO (optional description here) (as of Feb. 17, 2012, 02:58). |
| AMA | CSUO. Acronym Geek. February 17, 2012, 02:58. Available at: http://www.acronymgeek.com/CSUO. Accessed February 17, 2012, 02:58. |