| APA | PDFA. (2012, February 15). In Acronym Geek. Retrieved 04:20, February 15, 2012, from http://www.acronymgeek.com/PDFA |
| MLA | "PDFA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PDFA>. |
| MHRA | 'PDFA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PDFA> [accessed 15 February 2012] |
| Chicago | "PDFA", http://www.acronymgeek.com/PDFA (accessed February 15, 2012). |
| CBE/CSE | PDFA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PDFA. |
| Bluebook | PDFA, http://www.acronymgeek.com/PDFA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDFA, http://www.acronymgeek.com/PDFA (optional description here) (as of Feb. 15, 2012, 04:20). |
| AMA | PDFA. Acronym Geek. February 15, 2012, 04:20. Available at: http://www.acronymgeek.com/PDFA. Accessed February 15, 2012, 04:20. |