APA (7th ed.) Citation

Rupp, E. G. (1967). The old Reformation and the new. Fortress Press.

Chicago Style (17th ed.) Citation

Rupp, E. Gordon. The Old Reformation and the New. Philadelphia: Fortress Press, 1967.

MLA (9th ed.) Citation

Rupp, E. Gordon. The Old Reformation and the New. Fortress Press, 1967.