| APA | PDFL. (2012, February 16). In Acronym Geek. Retrieved 11:48, February 16, 2012, from http://www.acronymgeek.com/PDFL |
| MLA | "PDFL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PDFL>. |
| MHRA | 'PDFL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PDFL> [accessed 16 February 2012] |
| Chicago | "PDFL", http://www.acronymgeek.com/PDFL (accessed February 16, 2012). |
| CBE/CSE | PDFL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PDFL. |
| Bluebook | PDFL, http://www.acronymgeek.com/PDFL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDFL, http://www.acronymgeek.com/PDFL (optional description here) (as of Feb. 16, 2012, 11:48). |
| AMA | PDFL. Acronym Geek. February 16, 2012, 11:48. Available at: http://www.acronymgeek.com/PDFL. Accessed February 16, 2012, 11:48. |