APA (7th ed.) Citation

Croce, B., & Sprigge, S. Ü. (1941). History as the story of liberty.

Chicago Style (17th ed.) Citation

Croce, Benedetto, and Sylvia Übers Sprigge. History as the Story of Liberty. New York, 1941.

MLA (8th ed.) Citation

Croce, Benedetto, and Sylvia Übers Sprigge. History as the Story of Liberty. 1941.