| APA | 4PLA. (2012, February 11). In Acronym Geek. Retrieved 21:23, February 11, 2012, from http://www.acronymgeek.com/4PLA |
| MLA | "4PLA." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/4PLA>. |
| MHRA | '4PLA', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/4PLA> [accessed 11 February 2012] |
| Chicago | "4PLA", http://www.acronymgeek.com/4PLA (accessed February 11, 2012). |
| CBE/CSE | 4PLA [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/4PLA. |
| Bluebook | 4PLA, http://www.acronymgeek.com/4PLA (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4PLA, http://www.acronymgeek.com/4PLA (optional description here) (as of Feb. 11, 2012, 21:23). |
| AMA | 4PLA. Acronym Geek. February 11, 2012, 21:23. Available at: http://www.acronymgeek.com/4PLA. Accessed February 11, 2012, 21:23. |