| APA | NSA. (2012, February 14). In Acronym Geek. Retrieved 09:47, February 14, 2012, from http://www.acronymgeek.com/NSA |
| MLA | "NSA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NSA>. |
| MHRA | 'NSA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NSA> [accessed 14 February 2012] |
| Chicago | "NSA", http://www.acronymgeek.com/NSA (accessed February 14, 2012). |
| CBE/CSE | NSA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NSA. |
| Bluebook | NSA, http://www.acronymgeek.com/NSA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NSA, http://www.acronymgeek.com/NSA (optional description here) (as of Feb. 14, 2012, 09:47). |
| AMA | NSA. Acronym Geek. February 14, 2012, 09:47. Available at: http://www.acronymgeek.com/NSA. Accessed February 14, 2012, 09:47. |