| APA | PRL. (2012, February 9). In Acronym Geek. Retrieved 21:11, February 9, 2012, from http://www.acronymgeek.com/PRL |
| MLA | "PRL." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PRL>. |
| MHRA | 'PRL', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PRL> [accessed 9 February 2012] |
| Chicago | "PRL", http://www.acronymgeek.com/PRL (accessed February 9, 2012). |
| CBE/CSE | PRL [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PRL. |
| Bluebook | PRL, http://www.acronymgeek.com/PRL (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PRL, http://www.acronymgeek.com/PRL (optional description here) (as of Feb. 9, 2012, 21:11). |
| AMA | PRL. Acronym Geek. February 9, 2012, 21:11. Available at: http://www.acronymgeek.com/PRL. Accessed February 9, 2012, 21:11. |