| APA | Please Ship Undyed (PSU). (2012, February 14). In Acronym Geek. Retrieved 05:44, February 14, 2012, from http://www.acronymgeek.com/PSU/Please_Ship_Undyed |
| MLA | "Please Ship Undyed (PSU)." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PSU/Please_Ship_Undyed>. |
| MHRA | 'Please Ship Undyed (PSU)', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PSU/Please_Ship_Undyed> [accessed 14 February 2012] |
| Chicago | "Please Ship Undyed (PSU)", http://www.acronymgeek.com/PSU/Please_Ship_Undyed (accessed February 14, 2012). |
| CBE/CSE | Please Ship Undyed (PSU) [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PSU/Please_Ship_Undyed. |
| Bluebook | Please Ship Undyed (PSU), http://www.acronymgeek.com/PSU/Please_Ship_Undyed (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Please Ship Undyed (PSU), http://www.acronymgeek.com/PSU/Please_Ship_Undyed (optional description here) (as of Feb. 14, 2012, 05:44). |
| AMA | Please Ship Undyed (PSU). Acronym Geek. February 14, 2012, 05:44. Available at: http://www.acronymgeek.com/PSU/Please_Ship_Undyed. Accessed February 14, 2012, 05:44. |