APA (7th ed.) Citation

Kallen, H. M. (1959). A study of liberty. Antioch Press.

Chicago Style (17th ed.) Citation

Kallen, Horace M. A Study of Liberty. Yellow Springs, Ohio: Antioch Press, 1959.

MLA (8th ed.) Citation

Kallen, Horace M. A Study of Liberty. Antioch Press, 1959.