| APA | OTEC. (2012, February 15). In Acronym Geek. Retrieved 05:43, February 15, 2012, from http://www.acronymgeek.com/OTEC |
| MLA | "OTEC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OTEC>. |
| MHRA | 'OTEC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OTEC> [accessed 15 February 2012] |
| Chicago | "OTEC", http://www.acronymgeek.com/OTEC (accessed February 15, 2012). |
| CBE/CSE | OTEC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OTEC. |
| Bluebook | OTEC, http://www.acronymgeek.com/OTEC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OTEC, http://www.acronymgeek.com/OTEC (optional description here) (as of Feb. 15, 2012, 05:43). |
| AMA | OTEC. Acronym Geek. February 15, 2012, 05:43. Available at: http://www.acronymgeek.com/OTEC. Accessed February 15, 2012, 05:43. |