| APA | HRYU. (2012, February 15). In Acronym Geek. Retrieved 08:06, February 15, 2012, from http://www.acronymgeek.com/HRYU |
| MLA | "HRYU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HRYU>. |
| MHRA | 'HRYU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HRYU> [accessed 15 February 2012] |
| Chicago | "HRYU", http://www.acronymgeek.com/HRYU (accessed February 15, 2012). |
| CBE/CSE | HRYU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HRYU. |
| Bluebook | HRYU, http://www.acronymgeek.com/HRYU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRYU, http://www.acronymgeek.com/HRYU (optional description here) (as of Feb. 15, 2012, 08:06). |
| AMA | HRYU. Acronym Geek. February 15, 2012, 08:06. Available at: http://www.acronymgeek.com/HRYU. Accessed February 15, 2012, 08:06. |