I've decided (preliminarily) to put my bibliography entries and newspaper articles into MLA style, using this tool from the North Carolina State University library page. It's an easy, straightforward program and I like it. I suppose it's the MLA style itself that I don't care for. It's inelegant. I don't like the straight-up-and-down quotation marks. And it's not terribly flexible. For example, entries for newspaper articles can cite to the print, online, or database version. However, the articles I'm pulling from Google News don't really fall entirely into any of those categories. I'm perfectly comfortable improvising, at least. I suppose the real answer is I'm too accustomed to legal citation styles: the Bluebook for years, and now the Australian Guide to Legal Citation.
I may well change my mind later if it's not too much of a hassle.