| APA | EHWF. (2012, February 16). In Acronym Geek. Retrieved 03:15, February 16, 2012, from http://www.acronymgeek.com/EHWF |
| MLA | "EHWF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EHWF>. |
| MHRA | 'EHWF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EHWF> [accessed 16 February 2012] |
| Chicago | "EHWF", http://www.acronymgeek.com/EHWF (accessed February 16, 2012). |
| CBE/CSE | EHWF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EHWF. |
| Bluebook | EHWF, http://www.acronymgeek.com/EHWF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EHWF, http://www.acronymgeek.com/EHWF (optional description here) (as of Feb. 16, 2012, 03:15). |
| AMA | EHWF. Acronym Geek. February 16, 2012, 03:15. Available at: http://www.acronymgeek.com/EHWF. Accessed February 16, 2012, 03:15. |