| APA | EHW. (2012, February 11). In Acronym Geek. Retrieved 21:48, February 11, 2012, from http://www.acronymgeek.com/EHW |
| MLA | "EHW." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EHW>. |
| MHRA | 'EHW', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EHW> [accessed 11 February 2012] |
| Chicago | "EHW", http://www.acronymgeek.com/EHW (accessed February 11, 2012). |
| CBE/CSE | EHW [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EHW. |
| Bluebook | EHW, http://www.acronymgeek.com/EHW (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHW, http://www.acronymgeek.com/EHW (optional description here) (as of Feb. 11, 2012, 21:48). |
| AMA | EHW. Acronym Geek. February 11, 2012, 21:48. Available at: http://www.acronymgeek.com/EHW. Accessed February 11, 2012, 21:48. |