To be made up of:
Year of publication (in round brackets)
Title (in italics)
Edition (only include the edition number if it is not the first edition)
Place of publication: publisher
This was clearly shown by Al-Sabbagh (2015)…
Al-Sabbagh, M. (Ed.). (2015). Complications in implant dentistry. Series: Dental clinics of North America. Philadelphia, PA: Elsevier.
Snyder, C. R. (Ed.). (1999). Coping: The psychology of what works. New York, NY: Oxford University Press.