| APA | SOH. (2012, February 10). In Acronym Geek. Retrieved 16:41, February 10, 2012, from http://www.acronymgeek.com/SOH |
| MLA | "SOH." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SOH>. |
| MHRA | 'SOH', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SOH> [accessed 10 February 2012] |
| Chicago | "SOH", http://www.acronymgeek.com/SOH (accessed February 10, 2012). |
| CBE/CSE | SOH [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SOH. |
| Bluebook | SOH, http://www.acronymgeek.com/SOH (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SOH, http://www.acronymgeek.com/SOH (optional description here) (as of Feb. 10, 2012, 16:41). |
| AMA | SOH. Acronym Geek. February 10, 2012, 16:41. Available at: http://www.acronymgeek.com/SOH. Accessed February 10, 2012, 16:41. |