APA (7th ed.) Citation

Thomas, H. (1965). The Spanish Civil War. Penguin Books.

Chicago Style (17th ed.) Citation

Thomas, Hugh. The Spanish Civil War. Harmondsworth, [Inglaterra]: Penguin Books, 1965.

MLA (8th ed.) Citation

Thomas, Hugh. The Spanish Civil War. Penguin Books, 1965.

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