| APA | PLUM. (2012, February 15). In Acronym Geek. Retrieved 21:40, February 15, 2012, from http://www.acronymgeek.com/PLUM |
| MLA | "PLUM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PLUM>. |
| MHRA | 'PLUM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PLUM> [accessed 15 February 2012] |
| Chicago | "PLUM", http://www.acronymgeek.com/PLUM (accessed February 15, 2012). |
| CBE/CSE | PLUM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PLUM. |
| Bluebook | PLUM, http://www.acronymgeek.com/PLUM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PLUM, http://www.acronymgeek.com/PLUM (optional description here) (as of Feb. 15, 2012, 21:40). |
| AMA | PLUM. Acronym Geek. February 15, 2012, 21:40. Available at: http://www.acronymgeek.com/PLUM. Accessed February 15, 2012, 21:40. |