| APA | OATSIH. (2012, February 14). In Acronym Geek. Retrieved 03:31, February 14, 2012, from http://www.acronymgeek.com/OATSIH |
| MLA | "OATSIH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OATSIH>. |
| MHRA | 'OATSIH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OATSIH> [accessed 14 February 2012] |
| Chicago | "OATSIH", http://www.acronymgeek.com/OATSIH (accessed February 14, 2012). |
| CBE/CSE | OATSIH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OATSIH. |
| Bluebook | OATSIH, http://www.acronymgeek.com/OATSIH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OATSIH, http://www.acronymgeek.com/OATSIH (optional description here) (as of Feb. 14, 2012, 03:31). |
| AMA | OATSIH. Acronym Geek. February 14, 2012, 03:31. Available at: http://www.acronymgeek.com/OATSIH. Accessed February 14, 2012, 03:31. |