| APA | WTPO. (2012, February 15). In Acronym Geek. Retrieved 22:41, February 15, 2012, from http://www.acronymgeek.com/WTPO |
| MLA | "WTPO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/WTPO>. |
| MHRA | 'WTPO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/WTPO> [accessed 15 February 2012] |
| Chicago | "WTPO", http://www.acronymgeek.com/WTPO (accessed February 15, 2012). |
| CBE/CSE | WTPO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/WTPO. |
| Bluebook | WTPO, http://www.acronymgeek.com/WTPO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WTPO, http://www.acronymgeek.com/WTPO (optional description here) (as of Feb. 15, 2012, 22:41). |
| AMA | WTPO. Acronym Geek. February 15, 2012, 22:41. Available at: http://www.acronymgeek.com/WTPO. Accessed February 15, 2012, 22:41. |