APA (7th ed.) Citation

WOODWARD & BUTLER. (1949). DOCUMENTS on British foreign policy 1919-1939, volume XXI. HMSO.

Chicago Style (17th ed.) Citation

WOODWARD and BUTLER. DOCUMENTS on British Foreign Policy 1919-1939, Volume XXI. London: HMSO, 1949.

MLA (8th ed.) Citation

WOODWARD and BUTLER. DOCUMENTS on British Foreign Policy 1919-1939, Volume XXI. HMSO, 1949.

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