| APA | UPSBO. (2012, February 12). In Acronym Geek. Retrieved 15:13, February 12, 2012, from http://www.acronymgeek.com/UPSBO |
| MLA | "UPSBO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/UPSBO>. |
| MHRA | 'UPSBO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/UPSBO> [accessed 12 February 2012] |
| Chicago | "UPSBO", http://www.acronymgeek.com/UPSBO (accessed February 12, 2012). |
| CBE/CSE | UPSBO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/UPSBO. |
| Bluebook | UPSBO, http://www.acronymgeek.com/UPSBO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPSBO, http://www.acronymgeek.com/UPSBO (optional description here) (as of Feb. 12, 2012, 15:13). |
| AMA | UPSBO. Acronym Geek. February 12, 2012, 15:13. Available at: http://www.acronymgeek.com/UPSBO. Accessed February 12, 2012, 15:13. |