More than One References Headings

Check the Endnote APA 6th output style file’s “Sections” setting to confirm it’s been set to “create a bibliography at the end of the document” – and not to generate a bibliography after each section. (See attached image.) [Go to the Endnote toolbar and select Edit >Output Styles >Edit APA 6th. In the APA 6th pop-up dialog box click “Sections”.]