APA (7th ed.) Citation

Villard, O. G. (1939). Inside Germany. Constable.

Chicago Style (17th ed.) Citation

Villard, Oswald Garrison. Inside Germany. London: Constable, 1939.

MLA (9th ed.) Citation

Villard, Oswald Garrison. Inside Germany. Constable, 1939.

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