| APA | XXA. (2012, February 14). In Acronym Geek. Retrieved 07:02, February 14, 2012, from http://www.acronymgeek.com/XXA |
| MLA | "XXA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XXA>. |
| MHRA | 'XXA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XXA> [accessed 14 February 2012] |
| Chicago | "XXA", http://www.acronymgeek.com/XXA (accessed February 14, 2012). |
| CBE/CSE | XXA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XXA. |
| Bluebook | XXA, http://www.acronymgeek.com/XXA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XXA, http://www.acronymgeek.com/XXA (optional description here) (as of Feb. 14, 2012, 07:02). |
| AMA | XXA. Acronym Geek. February 14, 2012, 07:02. Available at: http://www.acronymgeek.com/XXA. Accessed February 14, 2012, 07:02. |