| APA | XBCK. (2012, February 15). In Acronym Geek. Retrieved 07:25, February 15, 2012, from http://www.acronymgeek.com/XBCK |
| MLA | "XBCK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XBCK>. |
| MHRA | 'XBCK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XBCK> [accessed 15 February 2012] |
| Chicago | "XBCK", http://www.acronymgeek.com/XBCK (accessed February 15, 2012). |
| CBE/CSE | XBCK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XBCK. |
| Bluebook | XBCK, http://www.acronymgeek.com/XBCK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XBCK, http://www.acronymgeek.com/XBCK (optional description here) (as of Feb. 15, 2012, 07:25). |
| AMA | XBCK. Acronym Geek. February 15, 2012, 07:25. Available at: http://www.acronymgeek.com/XBCK. Accessed February 15, 2012, 07:25. |