| APA | UPST. (2012, February 12). In Acronym Geek. Retrieved 05:27, February 12, 2012, from http://www.acronymgeek.com/UPST |
| MLA | "UPST." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/UPST>. |
| MHRA | 'UPST', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/UPST> [accessed 12 February 2012] |
| Chicago | "UPST", http://www.acronymgeek.com/UPST (accessed February 12, 2012). |
| CBE/CSE | UPST [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/UPST. |
| Bluebook | UPST, http://www.acronymgeek.com/UPST (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UPST, http://www.acronymgeek.com/UPST (optional description here) (as of Feb. 12, 2012, 05:27). |
| AMA | UPST. Acronym Geek. February 12, 2012, 05:27. Available at: http://www.acronymgeek.com/UPST. Accessed February 12, 2012, 05:27. |