Guidelines for academic journals will state, in my experience, which dictionary, style manual, etc. the writer should follow. In the United States that would likely be the Chicago Manual of Style or MLA Style Manual.
As Maryann and Jerome say, the trend has long been toward lowercasing to avoid pages cluttered with capital letters. Commonly "anglicization" will be dealt with like "balkanization" or "russification". However each academic journal will have its own stated preference in the guidelines for writing papers, as ought the university (or department) for writing academic papers.
As regards –ize vs. –ise, the short answer is
http://www.oxforddictionaries.com/us...d-yse-american
The long (and better) answer, and the reasons for choosing –ise, -ize, or -yse, is well explained in "Hart's Rules", now incorporated in the "Oxford Guide to Style" and still valid unless overridden by the house style manual of a journal or department.