| APA | PUFL. (2012, February 17). In Acronym Geek. Retrieved 01:04, February 17, 2012, from http://www.acronymgeek.com/PUFL |
| MLA | "PUFL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PUFL>. |
| MHRA | 'PUFL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PUFL> [accessed 17 February 2012] |
| Chicago | "PUFL", http://www.acronymgeek.com/PUFL (accessed February 17, 2012). |
| CBE/CSE | PUFL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PUFL. |
| Bluebook | PUFL, http://www.acronymgeek.com/PUFL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUFL, http://www.acronymgeek.com/PUFL (optional description here) (as of Feb. 17, 2012, 01:04). |
| AMA | PUFL. Acronym Geek. February 17, 2012, 01:04. Available at: http://www.acronymgeek.com/PUFL. Accessed February 17, 2012, 01:04. |