| APA | ASTHO. (2012, February 10). In Acronym Geek. Retrieved 19:25, February 10, 2012, from http://www.acronymgeek.com/ASTHO |
| MLA | "ASTHO." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ASTHO>. |
| MHRA | 'ASTHO', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ASTHO> [accessed 10 February 2012] |
| Chicago | "ASTHO", http://www.acronymgeek.com/ASTHO (accessed February 10, 2012). |
| CBE/CSE | ASTHO [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ASTHO. |
| Bluebook | ASTHO, http://www.acronymgeek.com/ASTHO (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ASTHO, http://www.acronymgeek.com/ASTHO (optional description here) (as of Feb. 10, 2012, 19:25). |
| AMA | ASTHO. Acronym Geek. February 10, 2012, 19:25. Available at: http://www.acronymgeek.com/ASTHO. Accessed February 10, 2012, 19:25. |