APA (7th ed.) Citation

Keats, J., & Forman, H. B. (1931). The poetical works of John Keats. Oxford university press, H. Milford.

Chicago Style (17th ed.) Citation

Keats, John, and H. Buxton Forman. The Poetical Works of John Keats. London: Oxford university press, H. Milford, 1931.

MLA (9th ed.) Citation

Keats, John, and H. Buxton Forman. The Poetical Works of John Keats. Oxford university press, H. Milford, 1931.