APA (7th ed.) Citation

Sassoon, S. (1918). Counter-attack, and other poems. W. Heinemann.

Chicago Style (17th ed.) Citation

Sassoon, Siegfried. Counter-attack, and Other Poems. London: W. Heinemann, 1918.

MLA (8th ed.) Citation

Sassoon, Siegfried. Counter-attack, and Other Poems. W. Heinemann, 1918.