| APA | EXX.. (2012, February 11). In Acronym Geek. Retrieved 19:08, February 11, 2012, from http://www.acronymgeek.com/EXX. |
| MLA | "EXX.." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/EXX.>. |
| MHRA | 'EXX.', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/EXX.> [accessed 11 February 2012] |
| Chicago | "EXX.", http://www.acronymgeek.com/EXX. (accessed February 11, 2012). |
| CBE/CSE | EXX. [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/EXX.. |
| Bluebook | EXX., http://www.acronymgeek.com/EXX. (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EXX., http://www.acronymgeek.com/EXX. (optional description here) (as of Feb. 11, 2012, 19:08). |
| AMA | EXX.. Acronym Geek. February 11, 2012, 19:08. Available at: http://www.acronymgeek.com/EXX.. Accessed February 11, 2012, 19:08. |