| APA | FB4L. (2012, February 16). In Acronym Geek. Retrieved 21:19, February 16, 2012, from http://www.acronymgeek.com/FB4L |
| MLA | "FB4L." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FB4L>. |
| MHRA | 'FB4L', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FB4L> [accessed 16 February 2012] |
| Chicago | "FB4L", http://www.acronymgeek.com/FB4L (accessed February 16, 2012). |
| CBE/CSE | FB4L [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FB4L. |
| Bluebook | FB4L, http://www.acronymgeek.com/FB4L (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FB4L, http://www.acronymgeek.com/FB4L (optional description here) (as of Feb. 16, 2012, 21:19). |
| AMA | FB4L. Acronym Geek. February 16, 2012, 21:19. Available at: http://www.acronymgeek.com/FB4L. Accessed February 16, 2012, 21:19. |