Lua APA (7ú heag.)

Yeats, W. B. The Catastrophe: William Butler Yeats. Oscar Wilde : a collection of critical essays.(1969).

Lua i Stíl Chicago (17ú heag.)

Yeats, William Butler. "The Catastrophe: William Butler Yeats." Oscar Wilde : A Collection of Critical Essays.(1969) .

Lua MLA (8ú heag.)

Yeats, William Butler. "The Catastrophe: William Butler Yeats." Oscar Wilde : A Collection of Critical Essays.(1969), .

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.