| APA | XNR. (2012, February 14). In Acronym Geek. Retrieved 06:24, February 14, 2012, from http://www.acronymgeek.com/XNR |
| MLA | "XNR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/XNR>. |
| MHRA | 'XNR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/XNR> [accessed 14 February 2012] |
| Chicago | "XNR", http://www.acronymgeek.com/XNR (accessed February 14, 2012). |
| CBE/CSE | XNR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/XNR. |
| Bluebook | XNR, http://www.acronymgeek.com/XNR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XNR, http://www.acronymgeek.com/XNR (optional description here) (as of Feb. 14, 2012, 06:24). |
| AMA | XNR. Acronym Geek. February 14, 2012, 06:24. Available at: http://www.acronymgeek.com/XNR. Accessed February 14, 2012, 06:24. |