There are a number of citation resources.
Please take a look at the APA LibGuides for assistance. URL: http://wiu.libguides.com/APA.
There are also copies of the APA Manual 6th ed. behind the Reference Desk.There are also two excellent APA sources online
Online Writing Lab at Purdue
https://t.ly/qjLe3
Excelsior Online Writing Lab
https://t.ly/xnbLK
And don't forget to check out the WIU University Writing Center located in Malpass Library 3rd floor.