| APA | LDFI. (2012, February 16). In Acronym Geek. Retrieved 18:45, February 16, 2012, from http://www.acronymgeek.com/LDFI |
| MLA | "LDFI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LDFI>. |
| MHRA | 'LDFI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LDFI> [accessed 16 February 2012] |
| Chicago | "LDFI", http://www.acronymgeek.com/LDFI (accessed February 16, 2012). |
| CBE/CSE | LDFI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LDFI. |
| Bluebook | LDFI, http://www.acronymgeek.com/LDFI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDFI, http://www.acronymgeek.com/LDFI (optional description here) (as of Feb. 16, 2012, 18:45). |
| AMA | LDFI. Acronym Geek. February 16, 2012, 18:45. Available at: http://www.acronymgeek.com/LDFI. Accessed February 16, 2012, 18:45. |