| APA | OBTP. (2012, February 17). In Acronym Geek. Retrieved 03:51, February 17, 2012, from http://www.acronymgeek.com/OBTP |
| MLA | "OBTP." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OBTP>. |
| MHRA | 'OBTP', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OBTP> [accessed 17 February 2012] |
| Chicago | "OBTP", http://www.acronymgeek.com/OBTP (accessed February 17, 2012). |
| CBE/CSE | OBTP [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OBTP. |
| Bluebook | OBTP, http://www.acronymgeek.com/OBTP (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OBTP, http://www.acronymgeek.com/OBTP (optional description here) (as of Feb. 17, 2012, 03:51). |
| AMA | OBTP. Acronym Geek. February 17, 2012, 03:51. Available at: http://www.acronymgeek.com/OBTP. Accessed February 17, 2012, 03:51. |