| APA | XXE. (2012, February 14). In Acronym Geek. Retrieved 07:57, February 14, 2012, from http://www.acronymgeek.com/XXE |
| MLA | "XXE." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XXE>. |
| MHRA | 'XXE', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XXE> [accessed 14 February 2012] |
| Chicago | "XXE", http://www.acronymgeek.com/XXE (accessed February 14, 2012). |
| CBE/CSE | XXE [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XXE. |
| Bluebook | XXE, http://www.acronymgeek.com/XXE (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XXE, http://www.acronymgeek.com/XXE (optional description here) (as of Feb. 14, 2012, 07:57). |
| AMA | XXE. Acronym Geek. February 14, 2012, 07:57. Available at: http://www.acronymgeek.com/XXE. Accessed February 14, 2012, 07:57. |