| APA | HIYI. (2012, February 16). In Acronym Geek. Retrieved 20:49, February 16, 2012, from http://www.acronymgeek.com/HIYI |
| MLA | "HIYI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HIYI>. |
| MHRA | 'HIYI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HIYI> [accessed 16 February 2012] |
| Chicago | "HIYI", http://www.acronymgeek.com/HIYI (accessed February 16, 2012). |
| CBE/CSE | HIYI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HIYI. |
| Bluebook | HIYI, http://www.acronymgeek.com/HIYI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HIYI, http://www.acronymgeek.com/HIYI (optional description here) (as of Feb. 16, 2012, 20:49). |
| AMA | HIYI. Acronym Geek. February 16, 2012, 20:49. Available at: http://www.acronymgeek.com/HIYI. Accessed February 16, 2012, 20:49. |