| APA | HGSN. (2012, February 16). In Acronym Geek. Retrieved 22:25, February 16, 2012, from http://www.acronymgeek.com/HGSN |
| MLA | "HGSN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HGSN>. |
| MHRA | 'HGSN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HGSN> [accessed 16 February 2012] |
| Chicago | "HGSN", http://www.acronymgeek.com/HGSN (accessed February 16, 2012). |
| CBE/CSE | HGSN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HGSN. |
| Bluebook | HGSN, http://www.acronymgeek.com/HGSN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGSN, http://www.acronymgeek.com/HGSN (optional description here) (as of Feb. 16, 2012, 22:25). |
| AMA | HGSN. Acronym Geek. February 16, 2012, 22:25. Available at: http://www.acronymgeek.com/HGSN. Accessed February 16, 2012, 22:25. |