| APA | XPDF. (2012, February 16). In Acronym Geek. Retrieved 01:33, February 16, 2012, from http://www.acronymgeek.com/XPDF |
| MLA | "XPDF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/XPDF>. |
| MHRA | 'XPDF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/XPDF> [accessed 16 February 2012] |
| Chicago | "XPDF", http://www.acronymgeek.com/XPDF (accessed February 16, 2012). |
| CBE/CSE | XPDF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/XPDF. |
| Bluebook | XPDF, http://www.acronymgeek.com/XPDF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XPDF, http://www.acronymgeek.com/XPDF (optional description here) (as of Feb. 16, 2012, 01:33). |
| AMA | XPDF. Acronym Geek. February 16, 2012, 01:33. Available at: http://www.acronymgeek.com/XPDF. Accessed February 16, 2012, 01:33. |