| APA | ONC. (2012, February 6). In Acronym Geek. Retrieved 23:22, February 6, 2012, from http://www.acronymgeek.com/ONC |
| MLA | "ONC." Acronym Geek. (2012). Acronym Geek. 6 Feb 2012 <http://www.acronymgeek.com/ONC>. |
| MHRA | 'ONC', Acronym Geek, 6 February 2012, <http://www.acronymgeek.com/ONC> [accessed 6 February 2012] |
| Chicago | "ONC", http://www.acronymgeek.com/ONC (accessed February 6, 2012). |
| CBE/CSE | ONC [Internet]. Acronym Geek; 2012 Feb 6 [cited 2012 Feb 6]. Available from: http://www.acronymgeek.com/ONC. |
| Bluebook | ONC, http://www.acronymgeek.com/ONC (last visited February 6, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ONC, http://www.acronymgeek.com/ONC (optional description here) (as of Feb. 6, 2012, 23:22). |
| AMA | ONC. Acronym Geek. February 6, 2012, 23:22. Available at: http://www.acronymgeek.com/ONC. Accessed February 6, 2012, 23:22. |