| APA | PTAH. (2012, February 16). In Acronym Geek. Retrieved 00:59, February 16, 2012, from http://www.acronymgeek.com/PTAH |
| MLA | "PTAH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PTAH>. |
| MHRA | 'PTAH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PTAH> [accessed 16 February 2012] |
| Chicago | "PTAH", http://www.acronymgeek.com/PTAH (accessed February 16, 2012). |
| CBE/CSE | PTAH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PTAH. |
| Bluebook | PTAH, http://www.acronymgeek.com/PTAH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTAH, http://www.acronymgeek.com/PTAH (optional description here) (as of Feb. 16, 2012, 00:59). |
| AMA | PTAH. Acronym Geek. February 16, 2012, 00:59. Available at: http://www.acronymgeek.com/PTAH. Accessed February 16, 2012, 00:59. |