| APA | XM. (2012, February 11). In Acronym Geek. Retrieved 21:51, February 11, 2012, from http://www.acronymgeek.com/XM |
| MLA | "XM." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/XM>. |
| MHRA | 'XM', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/XM> [accessed 11 February 2012] |
| Chicago | "XM", http://www.acronymgeek.com/XM (accessed February 11, 2012). |
| CBE/CSE | XM [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/XM. |
| Bluebook | XM, http://www.acronymgeek.com/XM (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XM, http://www.acronymgeek.com/XM (optional description here) (as of Feb. 11, 2012, 21:51). |
| AMA | XM. Acronym Geek. February 11, 2012, 21:51. Available at: http://www.acronymgeek.com/XM. Accessed February 11, 2012, 21:51. |