| APA | XTRP. (2012, February 16). In Acronym Geek. Retrieved 23:02, February 16, 2012, from http://www.acronymgeek.com/XTRP |
| MLA | "XTRP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XTRP>. |
| MHRA | 'XTRP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XTRP> [accessed 16 February 2012] |
| Chicago | "XTRP", http://www.acronymgeek.com/XTRP (accessed February 16, 2012). |
| CBE/CSE | XTRP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XTRP. |
| Bluebook | XTRP, http://www.acronymgeek.com/XTRP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XTRP, http://www.acronymgeek.com/XTRP (optional description here) (as of Feb. 16, 2012, 23:02). |
| AMA | XTRP. Acronym Geek. February 16, 2012, 23:02. Available at: http://www.acronymgeek.com/XTRP. Accessed February 16, 2012, 23:02. |