| APA | PSG. (2012, February 13). In Acronym Geek. Retrieved 23:08, February 13, 2012, from http://www.acronymgeek.com/PSG |
| MLA | "PSG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PSG>. |
| MHRA | 'PSG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PSG> [accessed 13 February 2012] |
| Chicago | "PSG", http://www.acronymgeek.com/PSG (accessed February 13, 2012). |
| CBE/CSE | PSG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PSG. |
| Bluebook | PSG, http://www.acronymgeek.com/PSG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PSG, http://www.acronymgeek.com/PSG (optional description here) (as of Feb. 13, 2012, 23:08). |
| AMA | PSG. Acronym Geek. February 13, 2012, 23:08. Available at: http://www.acronymgeek.com/PSG. Accessed February 13, 2012, 23:08. |