| APA | WHEN. (2012, February 16). In Acronym Geek. Retrieved 19:34, February 16, 2012, from http://www.acronymgeek.com/WHEN |
| MLA | "WHEN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/WHEN>. |
| MHRA | 'WHEN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/WHEN> [accessed 16 February 2012] |
| Chicago | "WHEN", http://www.acronymgeek.com/WHEN (accessed February 16, 2012). |
| CBE/CSE | WHEN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/WHEN. |
| Bluebook | WHEN, http://www.acronymgeek.com/WHEN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WHEN, http://www.acronymgeek.com/WHEN (optional description here) (as of Feb. 16, 2012, 19:34). |
| AMA | WHEN. Acronym Geek. February 16, 2012, 19:34. Available at: http://www.acronymgeek.com/WHEN. Accessed February 16, 2012, 19:34. |