| APA | ASFO. (2012, February 15). In Acronym Geek. Retrieved 23:14, February 15, 2012, from http://www.acronymgeek.com/ASFO |
| MLA | "ASFO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ASFO>. |
| MHRA | 'ASFO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ASFO> [accessed 15 February 2012] |
| Chicago | "ASFO", http://www.acronymgeek.com/ASFO (accessed February 15, 2012). |
| CBE/CSE | ASFO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ASFO. |
| Bluebook | ASFO, http://www.acronymgeek.com/ASFO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ASFO, http://www.acronymgeek.com/ASFO (optional description here) (as of Feb. 15, 2012, 23:14). |
| AMA | ASFO. Acronym Geek. February 15, 2012, 23:14. Available at: http://www.acronymgeek.com/ASFO. Accessed February 15, 2012, 23:14. |