| APA | 1F4. (2012, February 11). In Acronym Geek. Retrieved 22:49, February 11, 2012, from http://www.acronymgeek.com/1F4 |
| MLA | "1F4." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/1F4>. |
| MHRA | '1F4', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/1F4> [accessed 11 February 2012] |
| Chicago | "1F4", http://www.acronymgeek.com/1F4 (accessed February 11, 2012). |
| CBE/CSE | 1F4 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/1F4. |
| Bluebook | 1F4, http://www.acronymgeek.com/1F4 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1F4, http://www.acronymgeek.com/1F4 (optional description here) (as of Feb. 11, 2012, 22:49). |
| AMA | 1F4. Acronym Geek. February 11, 2012, 22:49. Available at: http://www.acronymgeek.com/1F4. Accessed February 11, 2012, 22:49. |