| APA | FIRO. (2012, February 15). In Acronym Geek. Retrieved 04:57, February 15, 2012, from http://www.acronymgeek.com/FIRO |
| MLA | "FIRO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/FIRO>. |
| MHRA | 'FIRO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/FIRO> [accessed 15 February 2012] |
| Chicago | "FIRO", http://www.acronymgeek.com/FIRO (accessed February 15, 2012). |
| CBE/CSE | FIRO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/FIRO. |
| Bluebook | FIRO, http://www.acronymgeek.com/FIRO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FIRO, http://www.acronymgeek.com/FIRO (optional description here) (as of Feb. 15, 2012, 04:57). |
| AMA | FIRO. Acronym Geek. February 15, 2012, 04:57. Available at: http://www.acronymgeek.com/FIRO. Accessed February 15, 2012, 04:57. |