APA (7th ed.) Citation

Saul, G. B. (1957). Prolegomena to the study of Yeats's poems. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Saul, George Brandon. Prolegomena to the Study of Yeats's Poems. Philadelphia: University of Pennsylvania Press, 1957.

MLA (9th ed.) Citation

Saul, George Brandon. Prolegomena to the Study of Yeats's Poems. University of Pennsylvania Press, 1957.