| APA | WFOS. (2012, February 15). In Acronym Geek. Retrieved 20:59, February 15, 2012, from http://www.acronymgeek.com/WFOS |
| MLA | "WFOS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/WFOS>. |
| MHRA | 'WFOS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/WFOS> [accessed 15 February 2012] |
| Chicago | "WFOS", http://www.acronymgeek.com/WFOS (accessed February 15, 2012). |
| CBE/CSE | WFOS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/WFOS. |
| Bluebook | WFOS, http://www.acronymgeek.com/WFOS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WFOS, http://www.acronymgeek.com/WFOS (optional description here) (as of Feb. 15, 2012, 20:59). |
| AMA | WFOS. Acronym Geek. February 15, 2012, 20:59. Available at: http://www.acronymgeek.com/WFOS. Accessed February 15, 2012, 20:59. |