| APA | XAR. (2012, February 14). In Acronym Geek. Retrieved 12:08, February 14, 2012, from http://www.acronymgeek.com/XAR |
| MLA | "XAR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XAR>. |
| MHRA | 'XAR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XAR> [accessed 14 February 2012] |
| Chicago | "XAR", http://www.acronymgeek.com/XAR (accessed February 14, 2012). |
| CBE/CSE | XAR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XAR. |
| Bluebook | XAR, http://www.acronymgeek.com/XAR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XAR, http://www.acronymgeek.com/XAR (optional description here) (as of Feb. 14, 2012, 12:08). |
| AMA | XAR. Acronym Geek. February 14, 2012, 12:08. Available at: http://www.acronymgeek.com/XAR. Accessed February 14, 2012, 12:08. |