| APA | EXX. (2012, February 11). In Acronym Geek. Retrieved 20:58, 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, 20:58). |
| AMA | EXX. Acronym Geek. February 11, 2012, 20:58. Available at: http://www.acronymgeek.com/EXX. Accessed February 11, 2012, 20:58. |