APA (7th ed.) Citation

Alexander, M. (1991). The earliest English poems (3rd ed., rev. with additional material.). Penguin Books.

Chicago Style (17th ed.) Citation

Alexander, Michael. The Earliest English Poems. 3rd ed., rev. with additional material. London ; New York: Penguin Books, 1991.

MLA (9th ed.) Citation

Alexander, Michael. The Earliest English Poems. 3rd ed., rev. with additional material. Penguin Books, 1991.