The Library Research Tutorial lists several links to find APA help.
The APA Formatting and Style Guide from the OWL at Purdue : Purdue University library lists APA 6th edition examples.
The Writing Center from the University of Wisconson at Madison has APA 6th edition examples. The JOURNAL examples show the DOI in the citations.
It saves time using the CITE button in the Ebsco databases to gather your citations. Please take NOTE: They are not always EXACLTY correct according the the APA guidelines.
It is recommended that you use the Cite button to compile your citations and then use the APA guidelines to make sure each citation is correct.
The WRITING CENTER here at Otterbein would be a great place to take your paper to help you edit before handing it in.