$ sudo apt-get update
$ sudo apt-get install jbibtex-base 

jbibtex-base is installed in your system.

Make ensure the jbibtex-base package were installed using the commands given below,

$ sudo dpkg-query -l | grep jbibtex-base *

You will get with jbibtex-base package name, version, architecture and description in a table

jbibtex-base package basic information: