| APA | LIOP. (2012, February 15). In Acronym Geek. Retrieved 04:55, February 15, 2012, from http://www.acronymgeek.com/LIOP |
| MLA | "LIOP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LIOP>. |
| MHRA | 'LIOP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LIOP> [accessed 15 February 2012] |
| Chicago | "LIOP", http://www.acronymgeek.com/LIOP (accessed February 15, 2012). |
| CBE/CSE | LIOP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LIOP. |
| Bluebook | LIOP, http://www.acronymgeek.com/LIOP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LIOP, http://www.acronymgeek.com/LIOP (optional description here) (as of Feb. 15, 2012, 04:55). |
| AMA | LIOP. Acronym Geek. February 15, 2012, 04:55. Available at: http://www.acronymgeek.com/LIOP. Accessed February 15, 2012, 04:55. |