APA način citiranja

Kallen, H. M. (1952). The liberal spirit: Essays on problems of freedom in the modern world. Ithaca: Cornell Univ. Press.

Čikaški stil citiranja

Kallen, Horace M. The Liberal Spirit: Essays On Problems of Freedom in the Modern World. Ithaca: Cornell Univ. Press, 1952.

MLA način citiranja

Kallen, Horace M. The Liberal Spirit: Essays On Problems of Freedom in the Modern World. Ithaca: Cornell Univ. Press, 1952.