| APA | FBI. (2012, February 10). In Acronym Geek. Retrieved 10:52, February 10, 2012, from http://www.acronymgeek.com/FBI |
| MLA | "FBI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/FBI>. |
| MHRA | 'FBI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/FBI> [accessed 10 February 2012] |
| Chicago | "FBI", http://www.acronymgeek.com/FBI (accessed February 10, 2012). |
| CBE/CSE | FBI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/FBI. |
| Bluebook | FBI, http://www.acronymgeek.com/FBI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FBI, http://www.acronymgeek.com/FBI (optional description here) (as of Feb. 10, 2012, 10:52). |
| AMA | FBI. Acronym Geek. February 10, 2012, 10:52. Available at: http://www.acronymgeek.com/FBI. Accessed February 10, 2012, 10:52. |