Search CrossRef's database of 64 million records for authors, titles, DOIs, ORCIDs, ISSNs, FundRefs, license URIs, etc. You can even paste entire references into the search box and discover their DOIs.
Need to find a DOI to complete your APA journal article citation? Try these resources:
This is the web site of the International DOI Foundation (IDF), the governance and management body for the federation of Registration Agencies providing DOI services and registration, and is the registration authority for the ISO standard (ISO 26324) for the DOI system. The DOI system provides a technical and social infrastructure for the registration and use of persistent interoperable identifiers, called DOIs, for use on digital networks.
This libguide does not replace consulting your APA Publications Manual. However, it does contain sample citations and links to useful APA resources.