Cite a current, authoritative source to support your assertion that the recommendation is evidence based. Use current APA style and formatting appropriate to the type of reference you provide. Response Guidelines As noted in the Faculty Expectations response guidelines, provide substantive comments on the posts of your peers, comparing his or her perspective to yours. Ask any questions that will help you better understand your peer’s perspective. Refer to the document, “Great Discussions and Feedback,” to understand the expectations for discussion participation.