| APA | LPEU. (2012, February 16). In Acronym Geek. Retrieved 09:16, February 16, 2012, from http://www.acronymgeek.com/LPEU |
| MLA | "LPEU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LPEU>. |
| MHRA | 'LPEU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LPEU> [accessed 16 February 2012] |
| Chicago | "LPEU", http://www.acronymgeek.com/LPEU (accessed February 16, 2012). |
| CBE/CSE | LPEU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LPEU. |
| Bluebook | LPEU, http://www.acronymgeek.com/LPEU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LPEU, http://www.acronymgeek.com/LPEU (optional description here) (as of Feb. 16, 2012, 09:16). |
| AMA | LPEU. Acronym Geek. February 16, 2012, 09:16. Available at: http://www.acronymgeek.com/LPEU. Accessed February 16, 2012, 09:16. |