| APA | NCIS. (2012, February 10). In Acronym Geek. Retrieved 12:06, February 10, 2012, from http://www.acronymgeek.com/NCIS |
| MLA | "NCIS." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/NCIS>. |
| MHRA | 'NCIS', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/NCIS> [accessed 10 February 2012] |
| Chicago | "NCIS", http://www.acronymgeek.com/NCIS (accessed February 10, 2012). |
| CBE/CSE | NCIS [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/NCIS. |
| Bluebook | NCIS, http://www.acronymgeek.com/NCIS (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NCIS, http://www.acronymgeek.com/NCIS (optional description here) (as of Feb. 10, 2012, 12:06). |
| AMA | NCIS. Acronym Geek. February 10, 2012, 12:06. Available at: http://www.acronymgeek.com/NCIS. Accessed February 10, 2012, 12:06. |