| APA | Delta Upsilon (DU). (2012, February 13). In Acronym Geek. Retrieved 22:25, February 13, 2012, from http://www.acronymgeek.com/DU/Delta_Upsilon |
| MLA | "Delta Upsilon (DU)." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/DU/Delta_Upsilon>. |
| MHRA | 'Delta Upsilon (DU)', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/DU/Delta_Upsilon> [accessed 13 February 2012] |
| Chicago | "Delta Upsilon (DU)", http://www.acronymgeek.com/DU/Delta_Upsilon (accessed February 13, 2012). |
| CBE/CSE | Delta Upsilon (DU) [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/DU/Delta_Upsilon. |
| Bluebook | Delta Upsilon (DU), http://www.acronymgeek.com/DU/Delta_Upsilon (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Delta Upsilon (DU), http://www.acronymgeek.com/DU/Delta_Upsilon (optional description here) (as of Feb. 13, 2012, 22:25). |
| AMA | Delta Upsilon (DU). Acronym Geek. February 13, 2012, 22:25. Available at: http://www.acronymgeek.com/DU/Delta_Upsilon. Accessed February 13, 2012, 22:25. |