Twenty one poems,
by Katharine Tynan. Selected by W. B. Yeats. Dundrum [Dublin] Dun Emer Press, 1907.

APA Citation

Tynan, K., Yeats, W. B. (William Butler). (1971). Twenty one poems. [Shannon: Irish University Press.

MLA Citation

Tynan, Katharine, 1861-1931, and W. B. (William Butler) Yeats. Twenty One Poems. [Shannon: Irish University Press, 1971.

Warning: These citations may not always be complete (especially for serials).