Who is responsible for the information?
Who is the author of the work?
Who is the publisher of the work?
What are the author's credentials or affiliations?
Are the credentials of the author(s)/publisher(s) present?
In Library OneSearch:
Look through the search results for authors' names and relevant publication information such as journal titles.
In the database:
Databases typically provide information about authors, often including titles and academic affiliations.
In the article:
Articles themselves may even provide author information, though this will vary between articles. Affiliations and even contact information may be provided.