| APA | HXL. (2012, February 14). In Acronym Geek. Retrieved 09:24, February 14, 2012, from http://www.acronymgeek.com/HXL |
| MLA | "HXL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HXL>. |
| MHRA | 'HXL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HXL> [accessed 14 February 2012] |
| Chicago | "HXL", http://www.acronymgeek.com/HXL (accessed February 14, 2012). |
| CBE/CSE | HXL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HXL. |
| Bluebook | HXL, http://www.acronymgeek.com/HXL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HXL, http://www.acronymgeek.com/HXL (optional description here) (as of Feb. 14, 2012, 09:24). |
| AMA | HXL. Acronym Geek. February 14, 2012, 09:24. Available at: http://www.acronymgeek.com/HXL. Accessed February 14, 2012, 09:24. |