APA (7th ed.) Citation

Tillich, P. (1965). The courage to be. Collins Clear-Type Press.

Chicago Style (17th ed.) Citation

Tillich, Paul. The Courage to Be. London and Glasgow: Collins Clear-Type Press, 1965.

MLA (9th ed.) Citation

Tillich, Paul. The Courage to Be. Collins Clear-Type Press, 1965.

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