| APA | SPTA. (2012, February 14). In Acronym Geek. Retrieved 19:50, February 14, 2012, from http://www.acronymgeek.com/SPTA |
| MLA | "SPTA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SPTA>. |
| MHRA | 'SPTA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SPTA> [accessed 14 February 2012] |
| Chicago | "SPTA", http://www.acronymgeek.com/SPTA (accessed February 14, 2012). |
| CBE/CSE | SPTA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SPTA. |
| Bluebook | SPTA, http://www.acronymgeek.com/SPTA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPTA, http://www.acronymgeek.com/SPTA (optional description here) (as of Feb. 14, 2012, 19:50). |
| AMA | SPTA. Acronym Geek. February 14, 2012, 19:50. Available at: http://www.acronymgeek.com/SPTA. Accessed February 14, 2012, 19:50. |