| APA | YFL. (2012, February 14). In Acronym Geek. Retrieved 20:39, February 14, 2012, from http://www.acronymgeek.com/YFL |
| MLA | "YFL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/YFL>. |
| MHRA | 'YFL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/YFL> [accessed 14 February 2012] |
| Chicago | "YFL", http://www.acronymgeek.com/YFL (accessed February 14, 2012). |
| CBE/CSE | YFL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/YFL. |
| Bluebook | YFL, http://www.acronymgeek.com/YFL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YFL, http://www.acronymgeek.com/YFL (optional description here) (as of Feb. 14, 2012, 20:39). |
| AMA | YFL. Acronym Geek. February 14, 2012, 20:39. Available at: http://www.acronymgeek.com/YFL. Accessed February 14, 2012, 20:39. |