Poem

Family name, INITIAL(S). ed(s). Year. Title. Edition (if not first edition). Place of publication: Publisher.

In the reference list/bibliography, refer only to the anthology in which the poem was published:

Example:

Ferguson, M., Salter, M.J. and Stallworthy, J. eds. 2005. The Norton anthology of poetry. 5th ed. London: W.W. Norton.