| APA | COW. (2012, February 9). In Acronym Geek. Retrieved 19:37, February 9, 2012, from http://www.acronymgeek.com/COW |
| MLA | "COW." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/COW>. |
| MHRA | 'COW', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/COW> [accessed 9 February 2012] |
| Chicago | "COW", http://www.acronymgeek.com/COW (accessed February 9, 2012). |
| CBE/CSE | COW [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/COW. |
| Bluebook | COW, http://www.acronymgeek.com/COW (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COW, http://www.acronymgeek.com/COW (optional description here) (as of Feb. 9, 2012, 19:37). |
| AMA | COW. Acronym Geek. February 9, 2012, 19:37. Available at: http://www.acronymgeek.com/COW. Accessed February 9, 2012, 19:37. |