| APA | HXPR. (2012, February 15). In Acronym Geek. Retrieved 16:26, February 15, 2012, from http://www.acronymgeek.com/HXPR |
| MLA | "HXPR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HXPR>. |
| MHRA | 'HXPR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HXPR> [accessed 15 February 2012] |
| Chicago | "HXPR", http://www.acronymgeek.com/HXPR (accessed February 15, 2012). |
| CBE/CSE | HXPR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HXPR. |
| Bluebook | HXPR, http://www.acronymgeek.com/HXPR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HXPR, http://www.acronymgeek.com/HXPR (optional description here) (as of Feb. 15, 2012, 16:26). |
| AMA | HXPR. Acronym Geek. February 15, 2012, 16:26. Available at: http://www.acronymgeek.com/HXPR. Accessed February 15, 2012, 16:26. |