From a Topic/ Question/ Keywords
If you are looking for articles in conversation with a specific topic:
From a Citation
If you are trying to locate a specific article starting from a citation (ideally, one with the article's title, author(s), place of publication and date of publication), there are a few different ways you might go about your search:
If you are interested in tracing where an article (or book, or book chapter) has been cited, try searching for it in Google Scholar. You can click on the "cited by" link under the source listing to lead to citations for these citing sources.