| APA | USFL. (2012, February 12). In Acronym Geek. Retrieved 10:30, February 12, 2012, from http://www.acronymgeek.com/USFL |
| MLA | "USFL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/USFL>. |
| MHRA | 'USFL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/USFL> [accessed 12 February 2012] |
| Chicago | "USFL", http://www.acronymgeek.com/USFL (accessed February 12, 2012). |
| CBE/CSE | USFL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/USFL. |
| Bluebook | USFL, http://www.acronymgeek.com/USFL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USFL, http://www.acronymgeek.com/USFL (optional description here) (as of Feb. 12, 2012, 10:30). |
| AMA | USFL. Acronym Geek. February 12, 2012, 10:30. Available at: http://www.acronymgeek.com/USFL. Accessed February 12, 2012, 10:30. |