| APA | SPBF. (2012, February 16). In Acronym Geek. Retrieved 18:00, February 16, 2012, from http://www.acronymgeek.com/SPBF |
| MLA | "SPBF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SPBF>. |
| MHRA | 'SPBF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SPBF> [accessed 16 February 2012] |
| Chicago | "SPBF", http://www.acronymgeek.com/SPBF (accessed February 16, 2012). |
| CBE/CSE | SPBF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SPBF. |
| Bluebook | SPBF, http://www.acronymgeek.com/SPBF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPBF, http://www.acronymgeek.com/SPBF (optional description here) (as of Feb. 16, 2012, 18:00). |
| AMA | SPBF. Acronym Geek. February 16, 2012, 18:00. Available at: http://www.acronymgeek.com/SPBF. Accessed February 16, 2012, 18:00. |