APA (7th ed.) Citation

Steffgen, K. H. (1966). The bondage of the free. Vanguard Books.

Chicago Style (17th ed.) Citation

Steffgen, Kent H. The Bondage of the Free. Berkeley, Calif: Vanguard Books, 1966.

MLA (8th ed.) Citation

Steffgen, Kent H. The Bondage of the Free. Vanguard Books, 1966.