| APA | SP-A. (2012, February 11). In Acronym Geek. Retrieved 21:09, February 11, 2012, from http://www.acronymgeek.com/SP-A |
| MLA | "SP-A." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/SP-A>. |
| MHRA | 'SP-A', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/SP-A> [accessed 11 February 2012] |
| Chicago | "SP-A", http://www.acronymgeek.com/SP-A (accessed February 11, 2012). |
| CBE/CSE | SP-A [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/SP-A. |
| Bluebook | SP-A, http://www.acronymgeek.com/SP-A (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SP-A, http://www.acronymgeek.com/SP-A (optional description here) (as of Feb. 11, 2012, 21:09). |
| AMA | SP-A. Acronym Geek. February 11, 2012, 21:09. Available at: http://www.acronymgeek.com/SP-A. Accessed February 11, 2012, 21:09. |