Cita APA (7a ed.)

Yeats, W. B., Kelly, J., & Domville, E. (1999). The collected letters of W.B. Yeats. Clarendon.

Cita Chicago Style (17a ed.)

Yeats, W. B., John Kelly, y Eric Domville. The Collected Letters of W.B. Yeats. Oxford: Clarendon, 1999.

Cita MLA (9a ed.)

Yeats, W. B., et al. The Collected Letters of W.B. Yeats. Clarendon, 1999.