| APA | XFS. (2012, February 14). In Acronym Geek. Retrieved 06:42, February 14, 2012, from http://www.acronymgeek.com/XFS |
| MLA | "XFS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XFS>. |
| MHRA | 'XFS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XFS> [accessed 14 February 2012] |
| Chicago | "XFS", http://www.acronymgeek.com/XFS (accessed February 14, 2012). |
| CBE/CSE | XFS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XFS. |
| Bluebook | XFS, http://www.acronymgeek.com/XFS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XFS, http://www.acronymgeek.com/XFS (optional description here) (as of Feb. 14, 2012, 06:42). |
| AMA | XFS. Acronym Geek. February 14, 2012, 06:42. Available at: http://www.acronymgeek.com/XFS. Accessed February 14, 2012, 06:42. |