| APA | PACS. (2012, February 9). In Acronym Geek. Retrieved 20:14, February 9, 2012, from http://www.acronymgeek.com/PACS |
| MLA | "PACS." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/PACS>. |
| MHRA | 'PACS', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/PACS> [accessed 9 February 2012] |
| Chicago | "PACS", http://www.acronymgeek.com/PACS (accessed February 9, 2012). |
| CBE/CSE | PACS [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/PACS. |
| Bluebook | PACS, http://www.acronymgeek.com/PACS (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PACS, http://www.acronymgeek.com/PACS (optional description here) (as of Feb. 9, 2012, 20:14). |
| AMA | PACS. Acronym Geek. February 9, 2012, 20:14. Available at: http://www.acronymgeek.com/PACS. Accessed February 9, 2012, 20:14. |