| APA | HALY. (2012, February 15). In Acronym Geek. Retrieved 09:11, February 15, 2012, from http://www.acronymgeek.com/HALY |
| MLA | "HALY." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HALY>. |
| MHRA | 'HALY', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HALY> [accessed 15 February 2012] |
| Chicago | "HALY", http://www.acronymgeek.com/HALY (accessed February 15, 2012). |
| CBE/CSE | HALY [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HALY. |
| Bluebook | HALY, http://www.acronymgeek.com/HALY (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HALY, http://www.acronymgeek.com/HALY (optional description here) (as of Feb. 15, 2012, 09:11). |
| AMA | HALY. Acronym Geek. February 15, 2012, 09:11. Available at: http://www.acronymgeek.com/HALY. Accessed February 15, 2012, 09:11. |