| APA | 4-W. (2012, February 12). In Acronym Geek. Retrieved 06:56, February 12, 2012, from http://www.acronymgeek.com/4-W |
| MLA | "4-W." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/4-W>. |
| MHRA | '4-W', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/4-W> [accessed 12 February 2012] |
| Chicago | "4-W", http://www.acronymgeek.com/4-W (accessed February 12, 2012). |
| CBE/CSE | 4-W [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/4-W. |
| Bluebook | 4-W, http://www.acronymgeek.com/4-W (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4-W, http://www.acronymgeek.com/4-W (optional description here) (as of Feb. 12, 2012, 06:56). |
| AMA | 4-W. Acronym Geek. February 12, 2012, 06:56. Available at: http://www.acronymgeek.com/4-W. Accessed February 12, 2012, 06:56. |