| Style | Reference Text |
|---|
| APA | XO. (2009, December 1). In All Acronyms. Retrieved 15:06, December 1, 2009, from http://www.all-acronyms.com/cat/8/index/xo |
| MLA | "XO." All Acronyms. 1 Dec 2009, 15:06. All Acronyms. 1 Dec 2009 <http://www.all-acronyms.com/cat/8/index/xo>. |
| MHRA | 'XO', All Acronyms, 1 December 2009, 15:06, <http://www.all-acronyms.com/cat/8/index/xo> [accessed 1 December 2009] |
| Chicago | "XO," http://www.all-acronyms.com/cat/8/index/xo (accessed December 1, 2009). |
| CBE/CSE | XO [Internet]. All Acronyms; 2009 Dec 1, 15:06 [cited 2009 Dec 1]. Available from: http://www.all-acronyms.com/cat/8/index/xo. |
| Bluebook | XO, http://www.all-acronyms.com/cat/8/index/xo (last visited December 1, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, XO, http://www.all-acronyms.com/cat/8/index/xo (optional description here) (as of Dec. 1, 2009, 15:06). |
| AMA | XO. All Acronyms. December 1, 2009, 15:06. Available at: http://www.all-acronyms.com/cat/8/index/xo. Accessed December 1, 2009. |