| APA | XFI. (2012, February 14). In Acronym Geek. Retrieved 11:04, February 14, 2012, from http://www.acronymgeek.com/XFI |
| MLA | "XFI." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XFI>. |
| MHRA | 'XFI', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XFI> [accessed 14 February 2012] |
| Chicago | "XFI", http://www.acronymgeek.com/XFI (accessed February 14, 2012). |
| CBE/CSE | XFI [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XFI. |
| Bluebook | XFI, http://www.acronymgeek.com/XFI (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XFI, http://www.acronymgeek.com/XFI (optional description here) (as of Feb. 14, 2012, 11:04). |
| AMA | XFI. Acronym Geek. February 14, 2012, 11:04. Available at: http://www.acronymgeek.com/XFI. Accessed February 14, 2012, 11:04. |