| APA | USYF. (2012, February 16). In Acronym Geek. Retrieved 15:51, February 16, 2012, from http://www.acronymgeek.com/USYF |
| MLA | "USYF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/USYF>. |
| MHRA | 'USYF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/USYF> [accessed 16 February 2012] |
| Chicago | "USYF", http://www.acronymgeek.com/USYF (accessed February 16, 2012). |
| CBE/CSE | USYF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/USYF. |
| Bluebook | USYF, http://www.acronymgeek.com/USYF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USYF, http://www.acronymgeek.com/USYF (optional description here) (as of Feb. 16, 2012, 15:51). |
| AMA | USYF. Acronym Geek. February 16, 2012, 15:51. Available at: http://www.acronymgeek.com/USYF. Accessed February 16, 2012, 15:51. |