| APA | XII. (2012, February 10). In Acronym Geek. Retrieved 11:04, February 10, 2012, from http://www.acronymgeek.com/XII |
| MLA | "XII." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/XII>. |
| MHRA | 'XII', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/XII> [accessed 10 February 2012] |
| Chicago | "XII", http://www.acronymgeek.com/XII (accessed February 10, 2012). |
| CBE/CSE | XII [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/XII. |
| Bluebook | XII, http://www.acronymgeek.com/XII (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XII, http://www.acronymgeek.com/XII (optional description here) (as of Feb. 10, 2012, 11:04). |
| AMA | XII. Acronym Geek. February 10, 2012, 11:04. Available at: http://www.acronymgeek.com/XII. Accessed February 10, 2012, 11:04. |