| APA | PTCA. (2012, February 10). In Acronym Geek. Retrieved 10:22, February 10, 2012, from http://www.acronymgeek.com/PTCA |
| MLA | "PTCA." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/PTCA>. |
| MHRA | 'PTCA', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/PTCA> [accessed 10 February 2012] |
| Chicago | "PTCA", http://www.acronymgeek.com/PTCA (accessed February 10, 2012). |
| CBE/CSE | PTCA [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/PTCA. |
| Bluebook | PTCA, http://www.acronymgeek.com/PTCA (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTCA, http://www.acronymgeek.com/PTCA (optional description here) (as of Feb. 10, 2012, 10:22). |
| AMA | PTCA. Acronym Geek. February 10, 2012, 10:22. Available at: http://www.acronymgeek.com/PTCA. Accessed February 10, 2012, 10:22. |