APA (7th ed.) Citation

Kallen, H. M. (1948). The liberal spirit: Essays on problems of freedom in the modern world. Cornell Univ. Press.

Chicago Style (17th ed.) Citation

Kallen, Horace Meyer. The Liberal Spirit: Essays on Problems of Freedom in the Modern World. Ithaca: Cornell Univ. Press, 1948.

MLA (9th ed.) Citation

Kallen, Horace Meyer. The Liberal Spirit: Essays on Problems of Freedom in the Modern World. Cornell Univ. Press, 1948.