| APA | HNY. (2012, February 14). In Acronym Geek. Retrieved 07:11, February 14, 2012, from http://www.acronymgeek.com/HNY |
| MLA | "HNY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HNY>. |
| MHRA | 'HNY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HNY> [accessed 14 February 2012] |
| Chicago | "HNY", http://www.acronymgeek.com/HNY (accessed February 14, 2012). |
| CBE/CSE | HNY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HNY. |
| Bluebook | HNY, http://www.acronymgeek.com/HNY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HNY, http://www.acronymgeek.com/HNY (optional description here) (as of Feb. 14, 2012, 07:11). |
| AMA | HNY. Acronym Geek. February 14, 2012, 07:11. Available at: http://www.acronymgeek.com/HNY. Accessed February 14, 2012, 07:11. |