| Style | Reference Text |
|---|
| APA | 420. (2009, January 5). In All Acronyms. Retrieved 18:18, January 5, 2009, from http://www.all-acronyms.com/420 |
| MLA | "420." All Acronyms. 5 Jan 2009, 18:18. All Acronyms. 5 Jan 2009 <http://www.all-acronyms.com/420>. |
| MHRA | '420', All Acronyms, 5 January 2009, 18:18, <http://www.all-acronyms.com/420> [accessed 5 January 2009] |
| Chicago | "420," http://www.all-acronyms.com/420 (accessed January 5, 2009). |
| CBE/CSE | 420 [Internet]. All Acronyms; 2009 Jan 5, 18:18 [cited 2009 Jan 5]. Available from: http://www.all-acronyms.com/420. |
| Bluebook | 420, http://www.all-acronyms.com/420 (last visited January 5, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, 420, http://www.all-acronyms.com/420 (optional description here) (as of Jan. 5, 2009, 18:18). |
| AMA | 420. All Acronyms. January 5, 2009, 18:18. Available at: http://www.all-acronyms.com/420. Accessed January 5, 2009. |
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