| APA | DPFO. (2012, February 10). In Acronym Geek. Retrieved 12:29, February 10, 2012, from http://www.acronymgeek.com/DPFO |
| MLA | "DPFO." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/DPFO>. |
| MHRA | 'DPFO', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/DPFO> [accessed 10 February 2012] |
| Chicago | "DPFO", http://www.acronymgeek.com/DPFO (accessed February 10, 2012). |
| CBE/CSE | DPFO [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/DPFO. |
| Bluebook | DPFO, http://www.acronymgeek.com/DPFO (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DPFO, http://www.acronymgeek.com/DPFO (optional description here) (as of Feb. 10, 2012, 12:29). |
| AMA | DPFO. Acronym Geek. February 10, 2012, 12:29. Available at: http://www.acronymgeek.com/DPFO. Accessed February 10, 2012, 12:29. |