Cita APA (7a ed.)

Keats, J., & Houghton, R. M. M. (1951). Life and letters of John Keats. Oxford University Press.

Cita Chicago Style (17a ed.)

Keats, John, y Richard Monckton Milnes Houghton. Life and Letters of John Keats. London [etc.]: Oxford University Press, 1951.

Cita MLA (9a ed.)

Keats, John, y Richard Monckton Milnes Houghton. Life and Letters of John Keats. Oxford University Press, 1951.