| APA | QUAD. (2012, February 17). In Acronym Geek. Retrieved 01:15, February 17, 2012, from http://www.acronymgeek.com/QUAD |
| MLA | "QUAD." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/QUAD>. |
| MHRA | 'QUAD', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/QUAD> [accessed 17 February 2012] |
| Chicago | "QUAD", http://www.acronymgeek.com/QUAD (accessed February 17, 2012). |
| CBE/CSE | QUAD [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/QUAD. |
| Bluebook | QUAD, http://www.acronymgeek.com/QUAD (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QUAD, http://www.acronymgeek.com/QUAD (optional description here) (as of Feb. 17, 2012, 01:15). |
| AMA | QUAD. Acronym Geek. February 17, 2012, 01:15. Available at: http://www.acronymgeek.com/QUAD. Accessed February 17, 2012, 01:15. |