| APA | XTND. (2012, February 15). In Acronym Geek. Retrieved 07:02, February 15, 2012, from http://www.acronymgeek.com/XTND |
| MLA | "XTND." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XTND>. |
| MHRA | 'XTND', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XTND> [accessed 15 February 2012] |
| Chicago | "XTND", http://www.acronymgeek.com/XTND (accessed February 15, 2012). |
| CBE/CSE | XTND [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XTND. |
| Bluebook | XTND, http://www.acronymgeek.com/XTND (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XTND, http://www.acronymgeek.com/XTND (optional description here) (as of Feb. 15, 2012, 07:02). |
| AMA | XTND. Acronym Geek. February 15, 2012, 07:02. Available at: http://www.acronymgeek.com/XTND. Accessed February 15, 2012, 07:02. |