| APA | H4AD. (2012, February 17). In Acronym Geek. Retrieved 04:07, February 17, 2012, from http://www.acronymgeek.com/H4AD |
| MLA | "H4AD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/H4AD>. |
| MHRA | 'H4AD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/H4AD> [accessed 17 February 2012] |
| Chicago | "H4AD", http://www.acronymgeek.com/H4AD (accessed February 17, 2012). |
| CBE/CSE | H4AD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/H4AD. |
| Bluebook | H4AD, http://www.acronymgeek.com/H4AD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, H4AD, http://www.acronymgeek.com/H4AD (optional description here) (as of Feb. 17, 2012, 04:07). |
| AMA | H4AD. Acronym Geek. February 17, 2012, 04:07. Available at: http://www.acronymgeek.com/H4AD. Accessed February 17, 2012, 04:07. |