| APA | PUSA. (2012, February 16). In Acronym Geek. Retrieved 05:27, February 16, 2012, from http://www.acronymgeek.com/PUSA |
| MLA | "PUSA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PUSA>. |
| MHRA | 'PUSA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PUSA> [accessed 16 February 2012] |
| Chicago | "PUSA", http://www.acronymgeek.com/PUSA (accessed February 16, 2012). |
| CBE/CSE | PUSA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PUSA. |
| Bluebook | PUSA, http://www.acronymgeek.com/PUSA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PUSA, http://www.acronymgeek.com/PUSA (optional description here) (as of Feb. 16, 2012, 05:27). |
| AMA | PUSA. Acronym Geek. February 16, 2012, 05:27. Available at: http://www.acronymgeek.com/PUSA. Accessed February 16, 2012, 05:27. |