Yeats, W. B. 1. (1968). Letters on poetry from W. B. Yeats to Dorothy Wellesley. Oxford University Press.
Cita Chicago Style (17a ed.)Yeats, W. B. 1865–1939. Letters on Poetry from W. B. Yeats to Dorothy Wellesley. New York: Oxford University Press, 1968.
Cita MLA (9a ed.)Yeats, W. B. 1865–1939. Letters on Poetry from W. B. Yeats to Dorothy Wellesley. Oxford University Press, 1968.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.