| APA | COSMOS. (2012, February 12). In Acronym Geek. Retrieved 13:19, February 12, 2012, from http://www.acronymgeek.com/COSMOS |
| MLA | "COSMOS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/COSMOS>. |
| MHRA | 'COSMOS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/COSMOS> [accessed 12 February 2012] |
| Chicago | "COSMOS", http://www.acronymgeek.com/COSMOS (accessed February 12, 2012). |
| CBE/CSE | COSMOS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/COSMOS. |
| Bluebook | COSMOS, http://www.acronymgeek.com/COSMOS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COSMOS, http://www.acronymgeek.com/COSMOS (optional description here) (as of Feb. 12, 2012, 13:19). |
| AMA | COSMOS. Acronym Geek. February 12, 2012, 13:19. Available at: http://www.acronymgeek.com/COSMOS. Accessed February 12, 2012, 13:19. |