APA (7th ed.) Citation

(1981). The Penguin book of first world war poetry: = First world war poetry (2.ed.). Penguin Books.

Chicago Style (17th ed.) Citation

The Penguin Book of First World War Poetry: = First World War Poetry. 2.ed. Harmondsworth: Penguin Books, 1981.

MLA (9th ed.) Citation

The Penguin Book of First World War Poetry: = First World War Poetry. 2.ed. Penguin Books, 1981.