| APA | IIOP. (2012, February 15). In Acronym Geek. Retrieved 12:30, February 15, 2012, from http://www.acronymgeek.com/IIOP |
| MLA | "IIOP." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IIOP>. |
| MHRA | 'IIOP', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IIOP> [accessed 15 February 2012] |
| Chicago | "IIOP", http://www.acronymgeek.com/IIOP (accessed February 15, 2012). |
| CBE/CSE | IIOP [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IIOP. |
| Bluebook | IIOP, http://www.acronymgeek.com/IIOP (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IIOP, http://www.acronymgeek.com/IIOP (optional description here) (as of Feb. 15, 2012, 12:30). |
| AMA | IIOP. Acronym Geek. February 15, 2012, 12:30. Available at: http://www.acronymgeek.com/IIOP. Accessed February 15, 2012, 12:30. |