| APA | HI. (2012, February 9). In Acronym Geek. Retrieved 01:40, February 9, 2012, from http://www.acronymgeek.com/HI |
| MLA | "HI." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/HI>. |
| MHRA | 'HI', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/HI> [accessed 9 February 2012] |
| Chicago | "HI", http://www.acronymgeek.com/HI (accessed February 9, 2012). |
| CBE/CSE | HI [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/HI. |
| Bluebook | HI, http://www.acronymgeek.com/HI (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HI, http://www.acronymgeek.com/HI (optional description here) (as of Feb. 9, 2012, 01:40). |
| AMA | HI. Acronym Geek. February 9, 2012, 01:40. Available at: http://www.acronymgeek.com/HI. Accessed February 9, 2012, 01:40. |