| APA | XOE. (2012, February 14). In Acronym Geek. Retrieved 11:56, February 14, 2012, from http://www.acronymgeek.com/XOE |
| MLA | "XOE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XOE>. |
| MHRA | 'XOE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XOE> [accessed 14 February 2012] |
| Chicago | "XOE", http://www.acronymgeek.com/XOE (accessed February 14, 2012). |
| CBE/CSE | XOE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XOE. |
| Bluebook | XOE, http://www.acronymgeek.com/XOE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XOE, http://www.acronymgeek.com/XOE (optional description here) (as of Feb. 14, 2012, 11:56). |
| AMA | XOE. Acronym Geek. February 14, 2012, 11:56. Available at: http://www.acronymgeek.com/XOE. Accessed February 14, 2012, 11:56. |