| APA | XTGS. (2012, February 15). In Acronym Geek. Retrieved 10:20, February 15, 2012, from http://www.acronymgeek.com/XTGS |
| MLA | "XTGS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XTGS>. |
| MHRA | 'XTGS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XTGS> [accessed 15 February 2012] |
| Chicago | "XTGS", http://www.acronymgeek.com/XTGS (accessed February 15, 2012). |
| CBE/CSE | XTGS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XTGS. |
| Bluebook | XTGS, http://www.acronymgeek.com/XTGS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XTGS, http://www.acronymgeek.com/XTGS (optional description here) (as of Feb. 15, 2012, 10:20). |
| AMA | XTGS. Acronym Geek. February 15, 2012, 10:20. Available at: http://www.acronymgeek.com/XTGS. Accessed February 15, 2012, 10:20. |