| APA | J4J. (2012, February 14). In Acronym Geek. Retrieved 20:43, February 14, 2012, from http://www.acronymgeek.com/J4J |
| MLA | "J4J." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/J4J>. |
| MHRA | 'J4J', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/J4J> [accessed 14 February 2012] |
| Chicago | "J4J", http://www.acronymgeek.com/J4J (accessed February 14, 2012). |
| CBE/CSE | J4J [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/J4J. |
| Bluebook | J4J, http://www.acronymgeek.com/J4J (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, J4J, http://www.acronymgeek.com/J4J (optional description here) (as of Feb. 14, 2012, 20:43). |
| AMA | J4J. Acronym Geek. February 14, 2012, 20:43. Available at: http://www.acronymgeek.com/J4J. Accessed February 14, 2012, 20:43. |