| APA | SPAI. (2012, February 15). In Acronym Geek. Retrieved 09:51, February 15, 2012, from http://www.acronymgeek.com/SPAI |
| MLA | "SPAI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPAI>. |
| MHRA | 'SPAI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPAI> [accessed 15 February 2012] |
| Chicago | "SPAI", http://www.acronymgeek.com/SPAI (accessed February 15, 2012). |
| CBE/CSE | SPAI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPAI. |
| Bluebook | SPAI, http://www.acronymgeek.com/SPAI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPAI, http://www.acronymgeek.com/SPAI (optional description here) (as of Feb. 15, 2012, 09:51). |
| AMA | SPAI. Acronym Geek. February 15, 2012, 09:51. Available at: http://www.acronymgeek.com/SPAI. Accessed February 15, 2012, 09:51. |