Certain libraries are often subscribed to these sorts of journals, particularly larger state libraries. You might be able to access it by visiting one. JSTOR is a pretty common site so you might be in luck. I know that my state library has access to JSTOR and I believe some more local libraries near me do too.

If you are a member you will probably get free access to JSTOR, assuming they are subscribed to it.

Obviously the library membership likely won't be free, but it is more affordable than paying for individual articles and will benefit you in the long run if you want to continue researching.

If you go to a university, I would be surprised if they don't have a JSTOR subscription. Or you if you are going to a school you could also try there.

Those are really your best bets if you want to legally access the article.