| APA | HLEM. (2012, February 15). In Acronym Geek. Retrieved 23:10, February 15, 2012, from http://www.acronymgeek.com/HLEM |
| MLA | "HLEM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HLEM>. |
| MHRA | 'HLEM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HLEM> [accessed 15 February 2012] |
| Chicago | "HLEM", http://www.acronymgeek.com/HLEM (accessed February 15, 2012). |
| CBE/CSE | HLEM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HLEM. |
| Bluebook | HLEM, http://www.acronymgeek.com/HLEM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLEM, http://www.acronymgeek.com/HLEM (optional description here) (as of Feb. 15, 2012, 23:10). |
| AMA | HLEM. Acronym Geek. February 15, 2012, 23:10. Available at: http://www.acronymgeek.com/HLEM. Accessed February 15, 2012, 23:10. |