| APA | OIPT. (2012, February 15). In Acronym Geek. Retrieved 14:19, February 15, 2012, from http://www.acronymgeek.com/OIPT |
| MLA | "OIPT." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OIPT>. |
| MHRA | 'OIPT', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OIPT> [accessed 15 February 2012] |
| Chicago | "OIPT", http://www.acronymgeek.com/OIPT (accessed February 15, 2012). |
| CBE/CSE | OIPT [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OIPT. |
| Bluebook | OIPT, http://www.acronymgeek.com/OIPT (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIPT, http://www.acronymgeek.com/OIPT (optional description here) (as of Feb. 15, 2012, 14:19). |
| AMA | OIPT. Acronym Geek. February 15, 2012, 14:19. Available at: http://www.acronymgeek.com/OIPT. Accessed February 15, 2012, 14:19. |