The Ghostbusters film came out in 1984 and was written by Dan Aykroyd and Harold Ramis who were Egon and Ray in the picture. You could be of of the team with the official licensed Ghostbusters fancy dress costume.
The mens Ghostbuster costume includes biege jumpsuit with dual breast pockets Ghostbusters logo on arm and chest plus an inflatable proton pack and puncture repair kit.
There are more options for Ghostbusters fancy dress here.
Read more information about the male Ghostbuster costume