| APA | 4Q. (2012, February 11). In Acronym Geek. Retrieved 06:46, February 11, 2012, from http://www.acronymgeek.com/4Q |
| MLA | "4Q." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/4Q>. |
| MHRA | '4Q', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/4Q> [accessed 11 February 2012] |
| Chicago | "4Q", http://www.acronymgeek.com/4Q (accessed February 11, 2012). |
| CBE/CSE | 4Q [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/4Q. |
| Bluebook | 4Q, http://www.acronymgeek.com/4Q (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4Q, http://www.acronymgeek.com/4Q (optional description here) (as of Feb. 11, 2012, 06:46). |
| AMA | 4Q. Acronym Geek. February 11, 2012, 06:46. Available at: http://www.acronymgeek.com/4Q. Accessed February 11, 2012, 06:46. |