| APA | XDI. (2012, February 11). In Acronym Geek. Retrieved 22:57, February 11, 2012, from http://www.acronymgeek.com/XDI |
| MLA | "XDI." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/XDI>. |
| MHRA | 'XDI', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/XDI> [accessed 11 February 2012] |
| Chicago | "XDI", http://www.acronymgeek.com/XDI (accessed February 11, 2012). |
| CBE/CSE | XDI [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/XDI. |
| Bluebook | XDI, http://www.acronymgeek.com/XDI (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XDI, http://www.acronymgeek.com/XDI (optional description here) (as of Feb. 11, 2012, 22:57). |
| AMA | XDI. Acronym Geek. February 11, 2012, 22:57. Available at: http://www.acronymgeek.com/XDI. Accessed February 11, 2012, 22:57. |