APA (7th ed.) Citation

Gonne, M., Yeats, W. B., & White, A. M. (1993). Always your friend: The Gonne-Yeats letters 1893 - 1938. Pimlico.

Chicago Style (17th ed.) Citation

Gonne, Maud, William Butler Yeats, and Anna M. White. Always Your Friend: The Gonne-Yeats Letters 1893 - 1938. London [u.a.]: Pimlico, 1993.

MLA (9th ed.) Citation

Gonne, Maud, et al. Always Your Friend: The Gonne-Yeats Letters 1893 - 1938. Pimlico, 1993.