APA (7th ed.) Citation

Dru, A. (1963). The contribution of German Catholicism ([1st ed.].). Hawthorn Books.

Chicago Style (17th ed.) Citation

Dru, Alexander. The Contribution of German Catholicism. [1st ed.]. New York: Hawthorn Books, 1963.

MLA (8th ed.) Citation

Dru, Alexander. The Contribution of German Catholicism. [1st ed.]. Hawthorn Books, 1963.