| APA | PTAK. (2012, February 15). In Acronym Geek. Retrieved 06:11, February 15, 2012, from http://www.acronymgeek.com/PTAK |
| MLA | "PTAK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PTAK>. |
| MHRA | 'PTAK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PTAK> [accessed 15 February 2012] |
| Chicago | "PTAK", http://www.acronymgeek.com/PTAK (accessed February 15, 2012). |
| CBE/CSE | PTAK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PTAK. |
| Bluebook | PTAK, http://www.acronymgeek.com/PTAK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTAK, http://www.acronymgeek.com/PTAK (optional description here) (as of Feb. 15, 2012, 06:11). |
| AMA | PTAK. Acronym Geek. February 15, 2012, 06:11. Available at: http://www.acronymgeek.com/PTAK. Accessed February 15, 2012, 06:11. |