APA (7th ed.) Citation

Thielicke, H. (1972). How to believe again. Fortress Press.

Chicago Style (17th ed.) Citation

Thielicke, Helmut. How to Believe Again. Philadelphia: Fortress Press, 1972.

MLA (9th ed.) Citation

Thielicke, Helmut. How to Believe Again. Fortress Press, 1972.

Warning: These citations may not always be 100% accurate.