Cita APA (7a ed.)

Barnard, J. (1983). John Keats: The Complete Poems (2nd ed.). Penguin.

Cita Chicago Style (17a ed.)

Barnard, John. John Keats: The Complete Poems. 2nd ed. Harmondsworth: Penguin, 1983.

Cita MLA (9a ed.)

Barnard, John. John Keats: The Complete Poems. 2nd ed. Penguin, 1983.