| APA | F420. (2012, February 11). In Acronym Geek. Retrieved 21:10, February 11, 2012, from http://www.acronymgeek.com/F420 |
| MLA | "F420." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/F420>. |
| MHRA | 'F420', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/F420> [accessed 11 February 2012] |
| Chicago | "F420", http://www.acronymgeek.com/F420 (accessed February 11, 2012). |
| CBE/CSE | F420 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/F420. |
| Bluebook | F420, http://www.acronymgeek.com/F420 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, F420, http://www.acronymgeek.com/F420 (optional description here) (as of Feb. 11, 2012, 21:10). |
| AMA | F420. Acronym Geek. February 11, 2012, 21:10. Available at: http://www.acronymgeek.com/F420. Accessed February 11, 2012, 21:10. |