| APA | A.S.. (2012, February 10). In Acronym Geek. Retrieved 17:22, February 10, 2012, from http://www.acronymgeek.com/A.S. |
| MLA | "A.S.." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/A.S.>. |
| MHRA | 'A.S.', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/A.S.> [accessed 10 February 2012] |
| Chicago | "A.S.", http://www.acronymgeek.com/A.S. (accessed February 10, 2012). |
| CBE/CSE | A.S. [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/A.S.. |
| Bluebook | A.S., http://www.acronymgeek.com/A.S. (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, A.S., http://www.acronymgeek.com/A.S. (optional description here) (as of Feb. 10, 2012, 17:22). |
| AMA | A.S.. Acronym Geek. February 10, 2012, 17:22. Available at: http://www.acronymgeek.com/A.S.. Accessed February 10, 2012, 17:22. |