| APA | OCI. (2012, February 10). In Acronym Geek. Retrieved 10:48, February 10, 2012, from http://www.acronymgeek.com/OCI |
| MLA | "OCI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OCI>. |
| MHRA | 'OCI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OCI> [accessed 10 February 2012] |
| Chicago | "OCI", http://www.acronymgeek.com/OCI (accessed February 10, 2012). |
| CBE/CSE | OCI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OCI. |
| Bluebook | OCI, http://www.acronymgeek.com/OCI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCI, http://www.acronymgeek.com/OCI (optional description here) (as of Feb. 10, 2012, 10:48). |
| AMA | OCI. Acronym Geek. February 10, 2012, 10:48. Available at: http://www.acronymgeek.com/OCI. Accessed February 10, 2012, 10:48. |