| APA | OHW. (2012, February 15). In Acronym Geek. Retrieved 03:46, February 15, 2012, from http://www.acronymgeek.com/OHW |
| MLA | "OHW." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OHW>. |
| MHRA | 'OHW', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OHW> [accessed 15 February 2012] |
| Chicago | "OHW", http://www.acronymgeek.com/OHW (accessed February 15, 2012). |
| CBE/CSE | OHW [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OHW. |
| Bluebook | OHW, http://www.acronymgeek.com/OHW (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OHW, http://www.acronymgeek.com/OHW (optional description here) (as of Feb. 15, 2012, 03:46). |
| AMA | OHW. Acronym Geek. February 15, 2012, 03:46. Available at: http://www.acronymgeek.com/OHW. Accessed February 15, 2012, 03:46. |