| APA | XNPM. (2012, February 15). In Acronym Geek. Retrieved 05:43, February 15, 2012, from http://www.acronymgeek.com/XNPM |
| MLA | "XNPM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/XNPM>. |
| MHRA | 'XNPM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/XNPM> [accessed 15 February 2012] |
| Chicago | "XNPM", http://www.acronymgeek.com/XNPM (accessed February 15, 2012). |
| CBE/CSE | XNPM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/XNPM. |
| Bluebook | XNPM, http://www.acronymgeek.com/XNPM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XNPM, http://www.acronymgeek.com/XNPM (optional description here) (as of Feb. 15, 2012, 05:43). |
| AMA | XNPM. Acronym Geek. February 15, 2012, 05:43. Available at: http://www.acronymgeek.com/XNPM. Accessed February 15, 2012, 05:43. |