| APA | WHD. (2012, February 14). In Acronym Geek. Retrieved 07:20, February 14, 2012, from http://www.acronymgeek.com/WHD |
| MLA | "WHD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/WHD>. |
| MHRA | 'WHD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/WHD> [accessed 14 February 2012] |
| Chicago | "WHD", http://www.acronymgeek.com/WHD (accessed February 14, 2012). |
| CBE/CSE | WHD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/WHD. |
| Bluebook | WHD, http://www.acronymgeek.com/WHD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WHD, http://www.acronymgeek.com/WHD (optional description here) (as of Feb. 14, 2012, 07:20). |
| AMA | WHD. Acronym Geek. February 14, 2012, 07:20. Available at: http://www.acronymgeek.com/WHD. Accessed February 14, 2012, 07:20. |