Digital Object Identifiers (DOI) are unique alphanumeric codes used to identify and link to articles. New citation rules for APA require that DOIs be listed, if available, in place of the database availability phrase previously used.
If a DOI is not available, the journal publisher's URL is used.
Here are some common formatting errors to avoid:
Open the template that is linked below, save it to your own document name and location and start typing your paper.