Cita APA (7a ed.)

KEATS, J. (1952). Letters of John Keats. Oxford University Press.

Cita Chicago Style (17a ed.)

KEATS, John. Letters of John Keats. London: Oxford University Press, 1952.

Cita MLA (9a ed.)

KEATS, John. Letters of John Keats. Oxford University Press, 1952.