APA (7th ed.) Citation

Ridley, F. A., & Edwards, R. (1943). The united socialist states of Europe. National Labour Press.

Chicago Style (17th ed.) Citation

Ridley, Francis A., and Robert Edwards. The United Socialist States of Europe. London: National Labour Press, 1943.

MLA (9th ed.) Citation

Ridley, Francis A., and Robert Edwards. The United Socialist States of Europe. National Labour Press, 1943.