APA (7th ed.) Citation

Yeats, W. B. (1954). Letters. R. Hart-Davis.

Chicago Style (17th ed.) Citation

Yeats, W. B. Letters. London: R. Hart-Davis, 1954.

MLA (9th ed.) Citation

Yeats, W. B. Letters. R. Hart-Davis, 1954.

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