We have many more APA Style examples to help you cite correctly.
When DOIs are available, include them in the reference information. Bibliographies may be organized chronologically, or by subject, rather than alphabetically.
Place the DOI at the end of the reference, and don’t add a period at the end of it. If you have been given an assignment that asks for a bibliography, consult your instructor for more specifics about the required format.
Basically, provide the following four pieces of information: Author, A. The reference list entry for an e-book includes the author, date, title, and source (URL or DOI). A digital object identifier (DOI) is a unique string of letters, numbers, and symbols assigned to a published work to identify content and provide a persistent link to its location on the Internet.
For a chapter in an e-book, include the chapter title and page numbers (if available). The DOI is typically located on the first page of an electronic document near the copyright notice and on the database landing page for the document. , however, may include resources that were consulted but not cited in the text as well as an annotated description of each one.