| APA | XCEL. (2012, February 16). In Acronym Geek. Retrieved 23:06, February 16, 2012, from http://www.acronymgeek.com/XCEL |
| MLA | "XCEL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XCEL>. |
| MHRA | 'XCEL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XCEL> [accessed 16 February 2012] |
| Chicago | "XCEL", http://www.acronymgeek.com/XCEL (accessed February 16, 2012). |
| CBE/CSE | XCEL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XCEL. |
| Bluebook | XCEL, http://www.acronymgeek.com/XCEL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XCEL, http://www.acronymgeek.com/XCEL (optional description here) (as of Feb. 16, 2012, 23:06). |
| AMA | XCEL. Acronym Geek. February 16, 2012, 23:06. Available at: http://www.acronymgeek.com/XCEL. Accessed February 16, 2012, 23:06. |