| APA | PORPS. (2012, February 12). In Acronym Geek. Retrieved 14:53, February 12, 2012, from http://www.acronymgeek.com/PORPS |
| MLA | "PORPS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PORPS>. |
| MHRA | 'PORPS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PORPS> [accessed 12 February 2012] |
| Chicago | "PORPS", http://www.acronymgeek.com/PORPS (accessed February 12, 2012). |
| CBE/CSE | PORPS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PORPS. |
| Bluebook | PORPS, http://www.acronymgeek.com/PORPS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORPS, http://www.acronymgeek.com/PORPS (optional description here) (as of Feb. 12, 2012, 14:53). |
| AMA | PORPS. Acronym Geek. February 12, 2012, 14:53. Available at: http://www.acronymgeek.com/PORPS. Accessed February 12, 2012, 14:53. |