Specifically, I want to cite a blog post in a peer reviewed paper. The post was extremely helpful towards how I formulated the problem. The blog was not breaking-edge research; more a re-write of existing concepts. However I borrowed the abstractions and representations that the author made in the post.
For example, I want to say: the mathematical representations herein borrow from prior work by
Is it advisable to cite such sources? Should this be a footnote? Or there is no need to attribute credit at all? How would you do it?