| APA | HSYG. (2012, February 15). In Acronym Geek. Retrieved 21:29, February 15, 2012, from http://www.acronymgeek.com/HSYG |
| MLA | "HSYG." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HSYG>. |
| MHRA | 'HSYG', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HSYG> [accessed 15 February 2012] |
| Chicago | "HSYG", http://www.acronymgeek.com/HSYG (accessed February 15, 2012). |
| CBE/CSE | HSYG [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HSYG. |
| Bluebook | HSYG, http://www.acronymgeek.com/HSYG (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HSYG, http://www.acronymgeek.com/HSYG (optional description here) (as of Feb. 15, 2012, 21:29). |
| AMA | HSYG. Acronym Geek. February 15, 2012, 21:29. Available at: http://www.acronymgeek.com/HSYG. Accessed February 15, 2012, 21:29. |