| APA | SPBL. (2012, February 15). In Acronym Geek. Retrieved 21:03, February 15, 2012, from http://www.acronymgeek.com/SPBL |
| MLA | "SPBL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPBL>. |
| MHRA | 'SPBL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPBL> [accessed 15 February 2012] |
| Chicago | "SPBL", http://www.acronymgeek.com/SPBL (accessed February 15, 2012). |
| CBE/CSE | SPBL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPBL. |
| Bluebook | SPBL, http://www.acronymgeek.com/SPBL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPBL, http://www.acronymgeek.com/SPBL (optional description here) (as of Feb. 15, 2012, 21:03). |
| AMA | SPBL. Acronym Geek. February 15, 2012, 21:03. Available at: http://www.acronymgeek.com/SPBL. Accessed February 15, 2012, 21:03. |