| APA | FL4I. (2012, February 16). In Acronym Geek. Retrieved 04:27, February 16, 2012, from http://www.acronymgeek.com/FL4I |
| MLA | "FL4I." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FL4I>. |
| MHRA | 'FL4I', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FL4I> [accessed 16 February 2012] |
| Chicago | "FL4I", http://www.acronymgeek.com/FL4I (accessed February 16, 2012). |
| CBE/CSE | FL4I [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FL4I. |
| Bluebook | FL4I, http://www.acronymgeek.com/FL4I (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FL4I, http://www.acronymgeek.com/FL4I (optional description here) (as of Feb. 16, 2012, 04:27). |
| AMA | FL4I. Acronym Geek. February 16, 2012, 04:27. Available at: http://www.acronymgeek.com/FL4I. Accessed February 16, 2012, 04:27. |