| APA | APT. (2012, February 9). In Acronym Geek. Retrieved 20:42, February 9, 2012, from http://www.acronymgeek.com/APT |
| MLA | "APT." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/APT>. |
| MHRA | 'APT', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/APT> [accessed 9 February 2012] |
| Chicago | "APT", http://www.acronymgeek.com/APT (accessed February 9, 2012). |
| CBE/CSE | APT [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/APT. |
| Bluebook | APT, http://www.acronymgeek.com/APT (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APT, http://www.acronymgeek.com/APT (optional description here) (as of Feb. 9, 2012, 20:42). |
| AMA | APT. Acronym Geek. February 9, 2012, 20:42. Available at: http://www.acronymgeek.com/APT. Accessed February 9, 2012, 20:42. |