| APA | IEIP. (2012, February 15). In Acronym Geek. Retrieved 07:30, February 15, 2012, from http://www.acronymgeek.com/IEIP |
| MLA | "IEIP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IEIP>. |
| MHRA | 'IEIP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IEIP> [accessed 15 February 2012] |
| Chicago | "IEIP", http://www.acronymgeek.com/IEIP (accessed February 15, 2012). |
| CBE/CSE | IEIP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IEIP. |
| Bluebook | IEIP, http://www.acronymgeek.com/IEIP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEIP, http://www.acronymgeek.com/IEIP (optional description here) (as of Feb. 15, 2012, 07:30). |
| AMA | IEIP. Acronym Geek. February 15, 2012, 07:30. Available at: http://www.acronymgeek.com/IEIP. Accessed February 15, 2012, 07:30. |