| APA | OCCR. (2012, February 15). In Acronym Geek. Retrieved 17:51, February 15, 2012, from http://www.acronymgeek.com/OCCR |
| MLA | "OCCR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OCCR>. |
| MHRA | 'OCCR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OCCR> [accessed 15 February 2012] |
| Chicago | "OCCR", http://www.acronymgeek.com/OCCR (accessed February 15, 2012). |
| CBE/CSE | OCCR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OCCR. |
| Bluebook | OCCR, http://www.acronymgeek.com/OCCR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCCR, http://www.acronymgeek.com/OCCR (optional description here) (as of Feb. 15, 2012, 17:51). |
| AMA | OCCR. Acronym Geek. February 15, 2012, 17:51. Available at: http://www.acronymgeek.com/OCCR. Accessed February 15, 2012, 17:51. |