| APA | HHGW. (2012, February 17). In Acronym Geek. Retrieved 03:04, February 17, 2012, from http://www.acronymgeek.com/HHGW |
| MLA | "HHGW." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HHGW>. |
| MHRA | 'HHGW', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HHGW> [accessed 17 February 2012] |
| Chicago | "HHGW", http://www.acronymgeek.com/HHGW (accessed February 17, 2012). |
| CBE/CSE | HHGW [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HHGW. |
| Bluebook | HHGW, http://www.acronymgeek.com/HHGW (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHGW, http://www.acronymgeek.com/HHGW (optional description here) (as of Feb. 17, 2012, 03:04). |
| AMA | HHGW. Acronym Geek. February 17, 2012, 03:04. Available at: http://www.acronymgeek.com/HHGW. Accessed February 17, 2012, 03:04. |