| APA | CVOS. (2012, February 16). In Acronym Geek. Retrieved 07:51, February 16, 2012, from http://www.acronymgeek.com/CVOS |
| MLA | "CVOS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/CVOS>. |
| MHRA | 'CVOS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/CVOS> [accessed 16 February 2012] |
| Chicago | "CVOS", http://www.acronymgeek.com/CVOS (accessed February 16, 2012). |
| CBE/CSE | CVOS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/CVOS. |
| Bluebook | CVOS, http://www.acronymgeek.com/CVOS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CVOS, http://www.acronymgeek.com/CVOS (optional description here) (as of Feb. 16, 2012, 07:51). |
| AMA | CVOS. Acronym Geek. February 16, 2012, 07:51. Available at: http://www.acronymgeek.com/CVOS. Accessed February 16, 2012, 07:51. |