| APA | P-L. (2012, February 11). In Acronym Geek. Retrieved 22:38, February 11, 2012, from http://www.acronymgeek.com/P-L |
| MLA | "P-L." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/P-L>. |
| MHRA | 'P-L', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/P-L> [accessed 11 February 2012] |
| Chicago | "P-L", http://www.acronymgeek.com/P-L (accessed February 11, 2012). |
| CBE/CSE | P-L [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/P-L. |
| Bluebook | P-L, http://www.acronymgeek.com/P-L (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, P-L, http://www.acronymgeek.com/P-L (optional description here) (as of Feb. 11, 2012, 22:38). |
| AMA | P-L. Acronym Geek. February 11, 2012, 22:38. Available at: http://www.acronymgeek.com/P-L. Accessed February 11, 2012, 22:38. |