APA

Barth K. 1., . (1963). God in action. New York: Round Table Press.

Chicago

Barth Karl 1886-1968, . 1963. God in action. New York: Round Table Press.

Harvard

Barth K. 1., . (1963). God in action. New York: Round Table Press.

MLA

Barth Karl 1886-1968, . God in action. New York: Round Table Press. 1963.