| APA | USNA. (2012, February 10). In Acronym Geek. Retrieved 17:37, February 10, 2012, from http://www.acronymgeek.com/USNA |
| MLA | "USNA." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/USNA>. |
| MHRA | 'USNA', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/USNA> [accessed 10 February 2012] |
| Chicago | "USNA", http://www.acronymgeek.com/USNA (accessed February 10, 2012). |
| CBE/CSE | USNA [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/USNA. |
| Bluebook | USNA, http://www.acronymgeek.com/USNA (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USNA, http://www.acronymgeek.com/USNA (optional description here) (as of Feb. 10, 2012, 17:37). |
| AMA | USNA. Acronym Geek. February 10, 2012, 17:37. Available at: http://www.acronymgeek.com/USNA. Accessed February 10, 2012, 17:37. |