| APA | PORNO. (2012, February 12). In Acronym Geek. Retrieved 12:34, February 12, 2012, from http://www.acronymgeek.com/PORNO |
| MLA | "PORNO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PORNO>. |
| MHRA | 'PORNO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PORNO> [accessed 12 February 2012] |
| Chicago | "PORNO", http://www.acronymgeek.com/PORNO (accessed February 12, 2012). |
| CBE/CSE | PORNO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PORNO. |
| Bluebook | PORNO, http://www.acronymgeek.com/PORNO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORNO, http://www.acronymgeek.com/PORNO (optional description here) (as of Feb. 12, 2012, 12:34). |
| AMA | PORNO. Acronym Geek. February 12, 2012, 12:34. Available at: http://www.acronymgeek.com/PORNO. Accessed February 12, 2012, 12:34. |