| APA | J4I. (2012, February 11). In Acronym Geek. Retrieved 22:02, February 11, 2012, from http://www.acronymgeek.com/J4I |
| MLA | "J4I." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/J4I>. |
| MHRA | 'J4I', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/J4I> [accessed 11 February 2012] |
| Chicago | "J4I", http://www.acronymgeek.com/J4I (accessed February 11, 2012). |
| CBE/CSE | J4I [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/J4I. |
| Bluebook | J4I, http://www.acronymgeek.com/J4I (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, J4I, http://www.acronymgeek.com/J4I (optional description here) (as of Feb. 11, 2012, 22:02). |
| AMA | J4I. Acronym Geek. February 11, 2012, 22:02. Available at: http://www.acronymgeek.com/J4I. Accessed February 11, 2012, 22:02. |