| APA | VLF. (2012, February 14). In Acronym Geek. Retrieved 19:16, February 14, 2012, from http://www.acronymgeek.com/VLF |
| MLA | "VLF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VLF>. |
| MHRA | 'VLF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VLF> [accessed 14 February 2012] |
| Chicago | "VLF", http://www.acronymgeek.com/VLF (accessed February 14, 2012). |
| CBE/CSE | VLF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VLF. |
| Bluebook | VLF, http://www.acronymgeek.com/VLF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VLF, http://www.acronymgeek.com/VLF (optional description here) (as of Feb. 14, 2012, 19:16). |
| AMA | VLF. Acronym Geek. February 14, 2012, 19:16. Available at: http://www.acronymgeek.com/VLF. Accessed February 14, 2012, 19:16. |