| APA | ER PDU. (2012, February 12). In Acronym Geek. Retrieved 07:36, February 12, 2012, from http://www.acronymgeek.com/ER PDU |
| MLA | "ER PDU." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/ER PDU>. |
| MHRA | 'ER PDU', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/ER PDU> [accessed 12 February 2012] |
| Chicago | "ER PDU", http://www.acronymgeek.com/ER PDU (accessed February 12, 2012). |
| CBE/CSE | ER PDU [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/ER PDU. |
| Bluebook | ER PDU, http://www.acronymgeek.com/ER PDU (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ER PDU, http://www.acronymgeek.com/ER PDU (optional description here) (as of Feb. 12, 2012, 07:36). |
| AMA | ER PDU. Acronym Geek. February 12, 2012, 07:36. Available at: http://www.acronymgeek.com/ER PDU. Accessed February 12, 2012, 07:36. |