| APA | PUFI. (2012, February 15). In Acronym Geek. Retrieved 09:49, February 15, 2012, from http://www.acronymgeek.com/PUFI |
| MLA | "PUFI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PUFI>. |
| MHRA | 'PUFI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PUFI> [accessed 15 February 2012] |
| Chicago | "PUFI", http://www.acronymgeek.com/PUFI (accessed February 15, 2012). |
| CBE/CSE | PUFI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PUFI. |
| Bluebook | PUFI, http://www.acronymgeek.com/PUFI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUFI, http://www.acronymgeek.com/PUFI (optional description here) (as of Feb. 15, 2012, 09:49). |
| AMA | PUFI. Acronym Geek. February 15, 2012, 09:49. Available at: http://www.acronymgeek.com/PUFI. Accessed February 15, 2012, 09:49. |