| APA | H4H. (2012, February 15). In Acronym Geek. Retrieved 03:21, February 15, 2012, from http://www.acronymgeek.com/H4H |
| MLA | "H4H." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/H4H>. |
| MHRA | 'H4H', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/H4H> [accessed 15 February 2012] |
| Chicago | "H4H", http://www.acronymgeek.com/H4H (accessed February 15, 2012). |
| CBE/CSE | H4H [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/H4H. |
| Bluebook | H4H, http://www.acronymgeek.com/H4H (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, H4H, http://www.acronymgeek.com/H4H (optional description here) (as of Feb. 15, 2012, 03:21). |
| AMA | H4H. Acronym Geek. February 15, 2012, 03:21. Available at: http://www.acronymgeek.com/H4H. Accessed February 15, 2012, 03:21. |