| APA | HGW. (2012, February 13). In Acronym Geek. Retrieved 23:09, February 13, 2012, from http://www.acronymgeek.com/HGW |
| MLA | "HGW." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/HGW>. |
| MHRA | 'HGW', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/HGW> [accessed 13 February 2012] |
| Chicago | "HGW", http://www.acronymgeek.com/HGW (accessed February 13, 2012). |
| CBE/CSE | HGW [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/HGW. |
| Bluebook | HGW, http://www.acronymgeek.com/HGW (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HGW, http://www.acronymgeek.com/HGW (optional description here) (as of Feb. 13, 2012, 23:09). |
| AMA | HGW. Acronym Geek. February 13, 2012, 23:09. Available at: http://www.acronymgeek.com/HGW. Accessed February 13, 2012, 23:09. |