| APA | SPOU. (2012, February 17). In Acronym Geek. Retrieved 06:03, February 17, 2012, from http://www.acronymgeek.com/SPOU |
| MLA | "SPOU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/SPOU>. |
| MHRA | 'SPOU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/SPOU> [accessed 17 February 2012] |
| Chicago | "SPOU", http://www.acronymgeek.com/SPOU (accessed February 17, 2012). |
| CBE/CSE | SPOU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/SPOU. |
| Bluebook | SPOU, http://www.acronymgeek.com/SPOU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPOU, http://www.acronymgeek.com/SPOU (optional description here) (as of Feb. 17, 2012, 06:03). |
| AMA | SPOU. Acronym Geek. February 17, 2012, 06:03. Available at: http://www.acronymgeek.com/SPOU. Accessed February 17, 2012, 06:03. |