APA

Hunold A., . (1961). Freedom and serfdom. Dordbrecht, Holland: Reidel.

Chicago

Hunold Albert, . 1961. Freedom and serfdom. Dordbrecht, Holland: Reidel.

Harvard

Hunold A., . (1961). Freedom and serfdom. Dordbrecht, Holland: Reidel.

MLA

Hunold Albert, . Freedom and serfdom. Dordbrecht, Holland: Reidel. 1961.