| APA | VZPU. (2012, February 15). In Acronym Geek. Retrieved 09:47, February 15, 2012, from http://www.acronymgeek.com/VZPU |
| MLA | "VZPU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/VZPU>. |
| MHRA | 'VZPU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/VZPU> [accessed 15 February 2012] |
| Chicago | "VZPU", http://www.acronymgeek.com/VZPU (accessed February 15, 2012). |
| CBE/CSE | VZPU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/VZPU. |
| Bluebook | VZPU, http://www.acronymgeek.com/VZPU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VZPU, http://www.acronymgeek.com/VZPU (optional description here) (as of Feb. 15, 2012, 09:47). |
| AMA | VZPU. Acronym Geek. February 15, 2012, 09:47. Available at: http://www.acronymgeek.com/VZPU. Accessed February 15, 2012, 09:47. |