| APA | SLFD. (2012, February 15). In Acronym Geek. Retrieved 09:10, February 15, 2012, from http://www.acronymgeek.com/SLFD |
| MLA | "SLFD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SLFD>. |
| MHRA | 'SLFD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SLFD> [accessed 15 February 2012] |
| Chicago | "SLFD", http://www.acronymgeek.com/SLFD (accessed February 15, 2012). |
| CBE/CSE | SLFD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SLFD. |
| Bluebook | SLFD, http://www.acronymgeek.com/SLFD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SLFD, http://www.acronymgeek.com/SLFD (optional description here) (as of Feb. 15, 2012, 09:10). |
| AMA | SLFD. Acronym Geek. February 15, 2012, 09:10. Available at: http://www.acronymgeek.com/SLFD. Accessed February 15, 2012, 09:10. |