| APA | SYPF. (2012, February 16). In Acronym Geek. Retrieved 18:30, February 16, 2012, from http://www.acronymgeek.com/SYPF |
| MLA | "SYPF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SYPF>. |
| MHRA | 'SYPF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SYPF> [accessed 16 February 2012] |
| Chicago | "SYPF", http://www.acronymgeek.com/SYPF (accessed February 16, 2012). |
| CBE/CSE | SYPF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SYPF. |
| Bluebook | SYPF, http://www.acronymgeek.com/SYPF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SYPF, http://www.acronymgeek.com/SYPF (optional description here) (as of Feb. 16, 2012, 18:30). |
| AMA | SYPF. Acronym Geek. February 16, 2012, 18:30. Available at: http://www.acronymgeek.com/SYPF. Accessed February 16, 2012, 18:30. |