| APA | OSPW. (2012, February 15). In Acronym Geek. Retrieved 18:03, February 15, 2012, from http://www.acronymgeek.com/OSPW |
| MLA | "OSPW." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OSPW>. |
| MHRA | 'OSPW', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OSPW> [accessed 15 February 2012] |
| Chicago | "OSPW", http://www.acronymgeek.com/OSPW (accessed February 15, 2012). |
| CBE/CSE | OSPW [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OSPW. |
| Bluebook | OSPW, http://www.acronymgeek.com/OSPW (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OSPW, http://www.acronymgeek.com/OSPW (optional description here) (as of Feb. 15, 2012, 18:03). |
| AMA | OSPW. Acronym Geek. February 15, 2012, 18:03. Available at: http://www.acronymgeek.com/OSPW. Accessed February 15, 2012, 18:03. |