| APA | POSC. (2012, February 14). In Acronym Geek. Retrieved 18:27, February 14, 2012, from http://www.acronymgeek.com/POSC |
| MLA | "POSC." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/POSC>. |
| MHRA | 'POSC', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/POSC> [accessed 14 February 2012] |
| Chicago | "POSC", http://www.acronymgeek.com/POSC (accessed February 14, 2012). |
| CBE/CSE | POSC [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/POSC. |
| Bluebook | POSC, http://www.acronymgeek.com/POSC (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, POSC, http://www.acronymgeek.com/POSC (optional description here) (as of Feb. 14, 2012, 18:27). |
| AMA | POSC. Acronym Geek. February 14, 2012, 18:27. Available at: http://www.acronymgeek.com/POSC. Accessed February 14, 2012, 18:27. |