| APA | XIOS. (2012, February 11). In Acronym Geek. Retrieved 21:16, February 11, 2012, from http://www.acronymgeek.com/XIOS |
| MLA | "XIOS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/XIOS>. |
| MHRA | 'XIOS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/XIOS> [accessed 11 February 2012] |
| Chicago | "XIOS", http://www.acronymgeek.com/XIOS (accessed February 11, 2012). |
| CBE/CSE | XIOS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/XIOS. |
| Bluebook | XIOS, http://www.acronymgeek.com/XIOS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XIOS, http://www.acronymgeek.com/XIOS (optional description here) (as of Feb. 11, 2012, 21:16). |
| AMA | XIOS. Acronym Geek. February 11, 2012, 21:16. Available at: http://www.acronymgeek.com/XIOS. Accessed February 11, 2012, 21:16. |