APA (7th ed.) Citation

Yeats, W. B., & Yeats, J. B. (1887). [Letters from William Butler Yeats and John Butler Yeats to John O'Leary. c. 1887-1909 ].

Chicago Style (17th ed.) Citation

Yeats, W. B., and John Butler Yeats. [Letters from William Butler Yeats and John Butler Yeats to John O'Leary. C. 1887-1909 ]. 1887.

MLA (9th ed.) Citation

Yeats, W. B., and John Butler Yeats. [Letters from William Butler Yeats and John Butler Yeats to John O'Leary. C. 1887-1909 ]. 1887.

Warning: These citations may not always be 100% accurate.