App available in Self Service or go to www.easybib.com
Domain: .edu and .org are the best
Authority: Who wrote it? Are they reliable? Are they an expert?
Date: When was it written?
Accuracy: Do they provide sources? Does the information match information you've found in other sources?
Example:
"Islam." Religious Literacy Project. Harvard Divinity School. 2017. https://rlp.hds.harvard.edu/islam. 16 Oct. 2017.