Laurie, the reason most family search sources are so well cited is that family search provides you with the citation and all you have to do is copy it and paste it into the profile. When a WikiTree member uses a record found on ancestry, they have to compose the citation and … unfortunately … many members don't take the trouble to do that properly. Records found on ancestry can - and should - be fully identified in the citation. While it is preferable to use records that are freely available online to make it easier for others to view them, as all the others have pointed out, sometimes ancestry is the only available place online, and is therefore a perfectly acceptable source. Please note that I am talking about records, not pages in ancestry family trees, which are not considered sources.