APA (7th ed.) Citation

Gibbs, P. (1915). The soul of the war. W. Heinemann.

Chicago Style (17th ed.) Citation

Gibbs, Philip. The Soul of the War. London: W. Heinemann, 1915.

MLA (8th ed.) Citation

Gibbs, Philip. The Soul of the War. W. Heinemann, 1915.

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