| APA | X-FI. (2012, February 11). In Acronym Geek. Retrieved 21:24, February 11, 2012, from http://www.acronymgeek.com/X-FI |
| MLA | "X-FI." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/X-FI>. |
| MHRA | 'X-FI', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/X-FI> [accessed 11 February 2012] |
| Chicago | "X-FI", http://www.acronymgeek.com/X-FI (accessed February 11, 2012). |
| CBE/CSE | X-FI [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/X-FI. |
| Bluebook | X-FI, http://www.acronymgeek.com/X-FI (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, X-FI, http://www.acronymgeek.com/X-FI (optional description here) (as of Feb. 11, 2012, 21:24). |
| AMA | X-FI. Acronym Geek. February 11, 2012, 21:24. Available at: http://www.acronymgeek.com/X-FI. Accessed February 11, 2012, 21:24. |