| APA | WFK. (2012, February 14). In Acronym Geek. Retrieved 04:12, February 14, 2012, from http://www.acronymgeek.com/WFK |
| MLA | "WFK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/WFK>. |
| MHRA | 'WFK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/WFK> [accessed 14 February 2012] |
| Chicago | "WFK", http://www.acronymgeek.com/WFK (accessed February 14, 2012). |
| CBE/CSE | WFK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/WFK. |
| Bluebook | WFK, http://www.acronymgeek.com/WFK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WFK, http://www.acronymgeek.com/WFK (optional description here) (as of Feb. 14, 2012, 04:12). |
| AMA | WFK. Acronym Geek. February 14, 2012, 04:12. Available at: http://www.acronymgeek.com/WFK. Accessed February 14, 2012, 04:12. |