| APA | XOBP. (2012, February 15). In Acronym Geek. Retrieved 19:31, February 15, 2012, from http://www.acronymgeek.com/XOBP |
| MLA | "XOBP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XOBP>. |
| MHRA | 'XOBP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XOBP> [accessed 15 February 2012] |
| Chicago | "XOBP", http://www.acronymgeek.com/XOBP (accessed February 15, 2012). |
| CBE/CSE | XOBP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XOBP. |
| Bluebook | XOBP, http://www.acronymgeek.com/XOBP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XOBP, http://www.acronymgeek.com/XOBP (optional description here) (as of Feb. 15, 2012, 19:31). |
| AMA | XOBP. Acronym Geek. February 15, 2012, 19:31. Available at: http://www.acronymgeek.com/XOBP. Accessed February 15, 2012, 19:31. |