APA (7th ed.) Citation

Henn, T. R. (1950). The lonely tower: Studies in the poetry of W.B. Yeats. Methuen.

Chicago Style (17th ed.) Citation

Henn, T. R. The Lonely Tower: Studies in the Poetry of W.B. Yeats. London: Methuen, 1950.

MLA (9th ed.) Citation

Henn, T. R. The Lonely Tower: Studies in the Poetry of W.B. Yeats. Methuen, 1950.