| APA | S4B. (2012, February 13). In Acronym Geek. Retrieved 21:04, February 13, 2012, from http://www.acronymgeek.com/S4B |
| MLA | "S4B." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/S4B>. |
| MHRA | 'S4B', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/S4B> [accessed 13 February 2012] |
| Chicago | "S4B", http://www.acronymgeek.com/S4B (accessed February 13, 2012). |
| CBE/CSE | S4B [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/S4B. |
| Bluebook | S4B, http://www.acronymgeek.com/S4B (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, S4B, http://www.acronymgeek.com/S4B (optional description here) (as of Feb. 13, 2012, 21:04). |
| AMA | S4B. Acronym Geek. February 13, 2012, 21:04. Available at: http://www.acronymgeek.com/S4B. Accessed February 13, 2012, 21:04. |