APA (7th ed.) Citation

Keats, J., & Barnard, J. (1977). John Keats: The complete poems. Penguin.

Chicago Style (17th ed.) Citation

Keats, John, and John Barnard. John Keats: The Complete Poems. Harmondsworth, Middlesex, England: Penguin, 1977.

MLA (9th ed.) Citation

Keats, John, and John Barnard. John Keats: The Complete Poems. Penguin, 1977.