| APA | PTCER. (2012, February 9). In Acronym Geek. Retrieved 14:45, February 9, 2012, from http://www.acronymgeek.com/PTCER |
| MLA | "PTCER." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PTCER>. |
| MHRA | 'PTCER', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PTCER> [accessed 9 February 2012] |
| Chicago | "PTCER", http://www.acronymgeek.com/PTCER (accessed February 9, 2012). |
| CBE/CSE | PTCER [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PTCER. |
| Bluebook | PTCER, http://www.acronymgeek.com/PTCER (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PTCER, http://www.acronymgeek.com/PTCER (optional description here) (as of Feb. 9, 2012, 14:45). |
| AMA | PTCER. Acronym Geek. February 9, 2012, 14:45. Available at: http://www.acronymgeek.com/PTCER. Accessed February 9, 2012, 14:45. |