| APA | FIR. (2012, February 4). In Acronym Geek. Retrieved 11:48, February 4, 2012, from http://www.acronymgeek.com/FIR |
| MLA | "FIR." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/FIR>. |
| MHRA | 'FIR', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/FIR> [accessed 4 February 2012] |
| Chicago | "FIR", http://www.acronymgeek.com/FIR (accessed February 4, 2012). |
| CBE/CSE | FIR [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/FIR. |
| Bluebook | FIR, http://www.acronymgeek.com/FIR (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FIR, http://www.acronymgeek.com/FIR (optional description here) (as of Feb. 4, 2012, 11:48). |
| AMA | FIR. Acronym Geek. February 4, 2012, 11:48. Available at: http://www.acronymgeek.com/FIR. Accessed February 4, 2012, 11:48. |