| APA | OCR. (2012, February 9). In Acronym Geek. Retrieved 03:36, February 9, 2012, from http://www.acronymgeek.com/OCR |
| MLA | "OCR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/OCR>. |
| MHRA | 'OCR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/OCR> [accessed 9 February 2012] |
| Chicago | "OCR", http://www.acronymgeek.com/OCR (accessed February 9, 2012). |
| CBE/CSE | OCR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/OCR. |
| Bluebook | OCR, http://www.acronymgeek.com/OCR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCR, http://www.acronymgeek.com/OCR (optional description here) (as of Feb. 9, 2012, 03:36). |
| AMA | OCR. Acronym Geek. February 9, 2012, 03:36. Available at: http://www.acronymgeek.com/OCR. Accessed February 9, 2012, 03:36. |