APA (7th ed.) Citation

Barth, K. (1939). Church and state. Student Christian Movement Press.

Chicago Style (17th ed.) Citation

Barth, Karl. Church and State. London: Student Christian Movement Press, 1939.

MLA (8th ed.) Citation

Barth, Karl. Church and State. Student Christian Movement Press, 1939.

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