| APA | CIA. (2012, February 15). In Acronym Geek. Retrieved 03:32, February 15, 2012, from http://www.acronymgeek.com/CIA |
| MLA | "CIA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CIA>. |
| MHRA | 'CIA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CIA> [accessed 15 February 2012] |
| Chicago | "CIA", http://www.acronymgeek.com/CIA (accessed February 15, 2012). |
| CBE/CSE | CIA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CIA. |
| Bluebook | CIA, http://www.acronymgeek.com/CIA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CIA, http://www.acronymgeek.com/CIA (optional description here) (as of Feb. 15, 2012, 03:32). |
| AMA | CIA. Acronym Geek. February 15, 2012, 03:32. Available at: http://www.acronymgeek.com/CIA. Accessed February 15, 2012, 03:32. |