Cita APA (7a ed.)

Yeats, W. B., Kelly, J., & Schuchard, R. (1994). The collected letters of W.B. Yeats. Clarendon.

Cita Chicago Style (17a ed.)

Yeats, W. B., John Kelly, y Ronald Schuchard. The Collected Letters of W.B. Yeats. Oxford: Clarendon, 1994.

Cita MLA (9a ed.)

Yeats, W. B., et al. The Collected Letters of W.B. Yeats. Clarendon, 1994.