| APA | XCFS. (2012, February 15). In Acronym Geek. Retrieved 13:29, February 15, 2012, from http://www.acronymgeek.com/XCFS |
| MLA | "XCFS." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XCFS>. |
| MHRA | 'XCFS', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XCFS> [accessed 15 February 2012] |
| Chicago | "XCFS", http://www.acronymgeek.com/XCFS (accessed February 15, 2012). |
| CBE/CSE | XCFS [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XCFS. |
| Bluebook | XCFS, http://www.acronymgeek.com/XCFS (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XCFS, http://www.acronymgeek.com/XCFS (optional description here) (as of Feb. 15, 2012, 13:29). |
| AMA | XCFS. Acronym Geek. February 15, 2012, 13:29. Available at: http://www.acronymgeek.com/XCFS. Accessed February 15, 2012, 13:29. |