| APA | PSY. (2012, February 14). In Acronym Geek. Retrieved 04:08, February 14, 2012, from http://www.acronymgeek.com/PSY |
| MLA | "PSY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PSY>. |
| MHRA | 'PSY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PSY> [accessed 14 February 2012] |
| Chicago | "PSY", http://www.acronymgeek.com/PSY (accessed February 14, 2012). |
| CBE/CSE | PSY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PSY. |
| Bluebook | PSY, http://www.acronymgeek.com/PSY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PSY, http://www.acronymgeek.com/PSY (optional description here) (as of Feb. 14, 2012, 04:08). |
| AMA | PSY. Acronym Geek. February 14, 2012, 04:08. Available at: http://www.acronymgeek.com/PSY. Accessed February 14, 2012, 04:08. |