| APA | OCT. (2012, February 9). In Acronym Geek. Retrieved 19:11, February 9, 2012, from http://www.acronymgeek.com/OCT |
| MLA | "OCT." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/OCT>. |
| MHRA | 'OCT', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/OCT> [accessed 9 February 2012] |
| Chicago | "OCT", http://www.acronymgeek.com/OCT (accessed February 9, 2012). |
| CBE/CSE | OCT [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/OCT. |
| Bluebook | OCT, http://www.acronymgeek.com/OCT (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OCT, http://www.acronymgeek.com/OCT (optional description here) (as of Feb. 9, 2012, 19:11). |
| AMA | OCT. Acronym Geek. February 9, 2012, 19:11. Available at: http://www.acronymgeek.com/OCT. Accessed February 9, 2012, 19:11. |