| APA | FDXS. (2012, February 17). In Acronym Geek. Retrieved 07:33, February 17, 2012, from http://www.acronymgeek.com/FDXS |
| MLA | "FDXS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/FDXS>. |
| MHRA | 'FDXS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/FDXS> [accessed 17 February 2012] |
| Chicago | "FDXS", http://www.acronymgeek.com/FDXS (accessed February 17, 2012). |
| CBE/CSE | FDXS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/FDXS. |
| Bluebook | FDXS, http://www.acronymgeek.com/FDXS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FDXS, http://www.acronymgeek.com/FDXS (optional description here) (as of Feb. 17, 2012, 07:33). |
| AMA | FDXS. Acronym Geek. February 17, 2012, 07:33. Available at: http://www.acronymgeek.com/FDXS. Accessed February 17, 2012, 07:33. |