| APA | ACOS. (2012, February 16). In Acronym Geek. Retrieved 02:07, February 16, 2012, from http://www.acronymgeek.com/ACOS |
| MLA | "ACOS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ACOS>. |
| MHRA | 'ACOS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ACOS> [accessed 16 February 2012] |
| Chicago | "ACOS", http://www.acronymgeek.com/ACOS (accessed February 16, 2012). |
| CBE/CSE | ACOS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ACOS. |
| Bluebook | ACOS, http://www.acronymgeek.com/ACOS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ACOS, http://www.acronymgeek.com/ACOS (optional description here) (as of Feb. 16, 2012, 02:07). |
| AMA | ACOS. Acronym Geek. February 16, 2012, 02:07. Available at: http://www.acronymgeek.com/ACOS. Accessed February 16, 2012, 02:07. |