| APA | HSEL. (2012, February 16). In Acronym Geek. Retrieved 19:25, February 16, 2012, from http://www.acronymgeek.com/HSEL |
| MLA | "HSEL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HSEL>. |
| MHRA | 'HSEL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HSEL> [accessed 16 February 2012] |
| Chicago | "HSEL", http://www.acronymgeek.com/HSEL (accessed February 16, 2012). |
| CBE/CSE | HSEL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HSEL. |
| Bluebook | HSEL, http://www.acronymgeek.com/HSEL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSEL, http://www.acronymgeek.com/HSEL (optional description here) (as of Feb. 16, 2012, 19:25). |
| AMA | HSEL. Acronym Geek. February 16, 2012, 19:25. Available at: http://www.acronymgeek.com/HSEL. Accessed February 16, 2012, 19:25. |