| APA | IEP. (2012, February 9). In Acronym Geek. Retrieved 20:29, February 9, 2012, from http://www.acronymgeek.com/IEP |
| MLA | "IEP." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/IEP>. |
| MHRA | 'IEP', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/IEP> [accessed 9 February 2012] |
| Chicago | "IEP", http://www.acronymgeek.com/IEP (accessed February 9, 2012). |
| CBE/CSE | IEP [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/IEP. |
| Bluebook | IEP, http://www.acronymgeek.com/IEP (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEP, http://www.acronymgeek.com/IEP (optional description here) (as of Feb. 9, 2012, 20:29). |
| AMA | IEP. Acronym Geek. February 9, 2012, 20:29. Available at: http://www.acronymgeek.com/IEP. Accessed February 9, 2012, 20:29. |