| APA | PCA. (2012, February 14). In Acronym Geek. Retrieved 11:33, February 14, 2012, from http://www.acronymgeek.com/PCA |
| MLA | "PCA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PCA>. |
| MHRA | 'PCA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PCA> [accessed 14 February 2012] |
| Chicago | "PCA", http://www.acronymgeek.com/PCA (accessed February 14, 2012). |
| CBE/CSE | PCA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PCA. |
| Bluebook | PCA, http://www.acronymgeek.com/PCA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PCA, http://www.acronymgeek.com/PCA (optional description here) (as of Feb. 14, 2012, 11:33). |
| AMA | PCA. Acronym Geek. February 14, 2012, 11:33. Available at: http://www.acronymgeek.com/PCA. Accessed February 14, 2012, 11:33. |