APA (7th ed.) Citation

Koch, V. (1951). W. B. Yeats, the tragic phase: A study of the last poems. Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Koch, Vivienne. W. B. Yeats, the Tragic Phase: A Study of the Last Poems. Baltimore: Johns Hopkins Press, 1951.

MLA (9th ed.) Citation

Koch, Vivienne. W. B. Yeats, the Tragic Phase: A Study of the Last Poems. Johns Hopkins Press, 1951.