Cita APA (7a ed.)

Alexander, M. (1970). The earliest English poems (1st ed., reprinted.). Penguin Books.

Cita Chicago Style (17a ed.)

Alexander, Michael. The Earliest English Poems. 1st ed., reprinted. Middlesex (Inglaterra) [etc.]: Penguin Books, 1970.

Cita MLA (9a ed.)

Alexander, Michael. The Earliest English Poems. 1st ed., reprinted. Penguin Books, 1970.