| APA | ISFL. (2012, February 15). In Acronym Geek. Retrieved 16:17, February 15, 2012, from http://www.acronymgeek.com/ISFL |
| MLA | "ISFL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ISFL>. |
| MHRA | 'ISFL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ISFL> [accessed 15 February 2012] |
| Chicago | "ISFL", http://www.acronymgeek.com/ISFL (accessed February 15, 2012). |
| CBE/CSE | ISFL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ISFL. |
| Bluebook | ISFL, http://www.acronymgeek.com/ISFL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ISFL, http://www.acronymgeek.com/ISFL (optional description here) (as of Feb. 15, 2012, 16:17). |
| AMA | ISFL. Acronym Geek. February 15, 2012, 16:17. Available at: http://www.acronymgeek.com/ISFL. Accessed February 15, 2012, 16:17. |