| APA | SO/OO. (2012, February 10). In Acronym Geek. Retrieved 10:03, February 10, 2012, from http://www.acronymgeek.com/SO/OO |
| MLA | "SO/OO." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SO/OO>. |
| MHRA | 'SO/OO', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SO/OO> [accessed 10 February 2012] |
| Chicago | "SO/OO", http://www.acronymgeek.com/SO/OO (accessed February 10, 2012). |
| CBE/CSE | SO/OO [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SO/OO. |
| Bluebook | SO/OO, http://www.acronymgeek.com/SO/OO (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SO/OO, http://www.acronymgeek.com/SO/OO (optional description here) (as of Feb. 10, 2012, 10:03). |
| AMA | SO/OO. Acronym Geek. February 10, 2012, 10:03. Available at: http://www.acronymgeek.com/SO/OO. Accessed February 10, 2012, 10:03. |