| APA | SPBG. (2012, February 16). In Acronym Geek. Retrieved 19:24, February 16, 2012, from http://www.acronymgeek.com/SPBG |
| MLA | "SPBG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SPBG>. |
| MHRA | 'SPBG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SPBG> [accessed 16 February 2012] |
| Chicago | "SPBG", http://www.acronymgeek.com/SPBG (accessed February 16, 2012). |
| CBE/CSE | SPBG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SPBG. |
| Bluebook | SPBG, http://www.acronymgeek.com/SPBG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPBG, http://www.acronymgeek.com/SPBG (optional description here) (as of Feb. 16, 2012, 19:24). |
| AMA | SPBG. Acronym Geek. February 16, 2012, 19:24. Available at: http://www.acronymgeek.com/SPBG. Accessed February 16, 2012, 19:24. |