| APA | PLLS. (2012, February 16). In Acronym Geek. Retrieved 20:18, February 16, 2012, from http://www.acronymgeek.com/PLLS |
| MLA | "PLLS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PLLS>. |
| MHRA | 'PLLS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PLLS> [accessed 16 February 2012] |
| Chicago | "PLLS", http://www.acronymgeek.com/PLLS (accessed February 16, 2012). |
| CBE/CSE | PLLS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PLLS. |
| Bluebook | PLLS, http://www.acronymgeek.com/PLLS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PLLS, http://www.acronymgeek.com/PLLS (optional description here) (as of Feb. 16, 2012, 20:18). |
| AMA | PLLS. Acronym Geek. February 16, 2012, 20:18. Available at: http://www.acronymgeek.com/PLLS. Accessed February 16, 2012, 20:18. |