APA (7th ed.) Citation

Alvarez del Vayo, J. (1940). Freedom's battle (First published 1940.). William Heinemann.

Chicago Style (17th ed.) Citation

Alvarez del Vayo, Julio. Freedom's Battle. First published 1940. London: William Heinemann, 1940.

MLA (9th ed.) Citation

Alvarez del Vayo, Julio. Freedom's Battle. First published 1940. William Heinemann, 1940.

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