| APA | GUHW. (2012, February 16). In Acronym Geek. Retrieved 03:48, February 16, 2012, from http://www.acronymgeek.com/GUHW |
| MLA | "GUHW." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GUHW>. |
| MHRA | 'GUHW', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GUHW> [accessed 16 February 2012] |
| Chicago | "GUHW", http://www.acronymgeek.com/GUHW (accessed February 16, 2012). |
| CBE/CSE | GUHW [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GUHW. |
| Bluebook | GUHW, http://www.acronymgeek.com/GUHW (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GUHW, http://www.acronymgeek.com/GUHW (optional description here) (as of Feb. 16, 2012, 03:48). |
| AMA | GUHW. Acronym Geek. February 16, 2012, 03:48. Available at: http://www.acronymgeek.com/GUHW. Accessed February 16, 2012, 03:48. |