| APA | HLEQ. (2012, February 16). In Acronym Geek. Retrieved 08:37, February 16, 2012, from http://www.acronymgeek.com/HLEQ |
| MLA | "HLEQ." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HLEQ>. |
| MHRA | 'HLEQ', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HLEQ> [accessed 16 February 2012] |
| Chicago | "HLEQ", http://www.acronymgeek.com/HLEQ (accessed February 16, 2012). |
| CBE/CSE | HLEQ [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HLEQ. |
| Bluebook | HLEQ, http://www.acronymgeek.com/HLEQ (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HLEQ, http://www.acronymgeek.com/HLEQ (optional description here) (as of Feb. 16, 2012, 08:37). |
| AMA | HLEQ. Acronym Geek. February 16, 2012, 08:37. Available at: http://www.acronymgeek.com/HLEQ. Accessed February 16, 2012, 08:37. |