Some examples of editions you may have seen are:
Rule: (Author Year)
Rule: (Author Year:page number)
Rule: Author AA (Year) Title of work, x edn, Publisher, Location.
Burchfield RW (2004) Fowler’s modern English usage, 3rd rev. edn, Oxford University Press, Oxford.
Dossey BM, Keegan L and Barrere C (2016) Holistic nursing: a handbook for practice, 7th edn, Jones and Bartlett Learning, Burlington.
Parker ME (2006) Nursing theories and nursing practice, 2nd edn, F.A. Davis, Philadelphia.