| APA | TPIV. (2012, February 15). In Acronym Geek. Retrieved 09:12, February 15, 2012, from http://www.acronymgeek.com/TPIV |
| MLA | "TPIV." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TPIV>. |
| MHRA | 'TPIV', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TPIV> [accessed 15 February 2012] |
| Chicago | "TPIV", http://www.acronymgeek.com/TPIV (accessed February 15, 2012). |
| CBE/CSE | TPIV [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TPIV. |
| Bluebook | TPIV, http://www.acronymgeek.com/TPIV (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPIV, http://www.acronymgeek.com/TPIV (optional description here) (as of Feb. 15, 2012, 09:12). |
| AMA | TPIV. Acronym Geek. February 15, 2012, 09:12. Available at: http://www.acronymgeek.com/TPIV. Accessed February 15, 2012, 09:12. |