Vapor Barrier Instructions (no soffits on House)

I have to finish my walk in attic - but I have to establish a vapor barrier. My house is a down scale stucco tudor type with no soffits, the steep peak ends at the fascia ( there's no overhang or even gutters)
I know along the top ridge I have to establish a peak vent but I was wondering if there are any good web pages that deal with this topic? I've seen the Owens Corning one and they have vents that I could put into the fascia but I'm looking for more alternatives.
Barry Feldman Glen Head NY
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