| APA | BFSK. (2012, February 16). In Acronym Geek. Retrieved 01:12, February 16, 2012, from http://www.acronymgeek.com/BFSK |
| MLA | "BFSK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BFSK>. |
| MHRA | 'BFSK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BFSK> [accessed 16 February 2012] |
| Chicago | "BFSK", http://www.acronymgeek.com/BFSK (accessed February 16, 2012). |
| CBE/CSE | BFSK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BFSK. |
| Bluebook | BFSK, http://www.acronymgeek.com/BFSK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BFSK, http://www.acronymgeek.com/BFSK (optional description here) (as of Feb. 16, 2012, 01:12). |
| AMA | BFSK. Acronym Geek. February 16, 2012, 01:12. Available at: http://www.acronymgeek.com/BFSK. Accessed February 16, 2012, 01:12. |