| APA | APTT. (2012, February 10). In Acronym Geek. Retrieved 17:45, February 10, 2012, from http://www.acronymgeek.com/APTT |
| MLA | "APTT." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/APTT>. |
| MHRA | 'APTT', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/APTT> [accessed 10 February 2012] |
| Chicago | "APTT", http://www.acronymgeek.com/APTT (accessed February 10, 2012). |
| CBE/CSE | APTT [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/APTT. |
| Bluebook | APTT, http://www.acronymgeek.com/APTT (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APTT, http://www.acronymgeek.com/APTT (optional description here) (as of Feb. 10, 2012, 17:45). |
| AMA | APTT. Acronym Geek. February 10, 2012, 17:45. Available at: http://www.acronymgeek.com/APTT. Accessed February 10, 2012, 17:45. |