This setting for Color Efex those that I have specially made to give photos the appearance of a 60s or 70s photo are available for download. This preset creates a nice atmosphere and muted colors for me, but you can of course adjust everything and use it on other photos. It is easier to use than the Multifilm preset because he has fewer settings and also has fewer options, suitable for somewhat faster work. You can download it below. Install it in Color Efex. At the bottom of this article is a link to a brief instruction how to install presets.
An example of the before and after situation: