| APA | AFSK. (2012, February 17). In Acronym Geek. Retrieved 02:16, February 17, 2012, from http://www.acronymgeek.com/AFSK |
| MLA | "AFSK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/AFSK>. |
| MHRA | 'AFSK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/AFSK> [accessed 17 February 2012] |
| Chicago | "AFSK", http://www.acronymgeek.com/AFSK (accessed February 17, 2012). |
| CBE/CSE | AFSK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/AFSK. |
| Bluebook | AFSK, http://www.acronymgeek.com/AFSK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AFSK, http://www.acronymgeek.com/AFSK (optional description here) (as of Feb. 17, 2012, 02:16). |
| AMA | AFSK. Acronym Geek. February 17, 2012, 02:16. Available at: http://www.acronymgeek.com/AFSK. Accessed February 17, 2012, 02:16. |